Home / 69,994.07-96,587.62-39,775.20

Finding the Fourth Proportional to 69,994.07, 96,587.62 and 39,775.20

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Solution

The fourth proportional to 69,994.07, 96,587.62 and 39,775.20 is: 54,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.07 : 96,587.62 = 39,775.20 : x
  2. Step 2: Convert to fraction form
    69,994.07/96,587.62 = 39,775.20/x
  3. Step 3: Cross multiply
    69,994.07x = 96,587.62 × 39,775.20
  4. Step 4: Simplify right side
    69,994.07x = 3,841,791,903.02
  5. Step 5: Solve for x
    x = 3,841,791,903.02/69,994.07
  6. Step 6: Final answer
    x = 54,887.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.