Home / 69,994.31-96,588.65-39,775.64

Finding the Fourth Proportional to 69,994.31, 96,588.65 and 39,775.64

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Solution

The fourth proportional to 69,994.31, 96,588.65 and 39,775.64 is: 54,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.31 : 96,588.65 = 39,775.64 : x
  2. Step 2: Convert to fraction form
    69,994.31/96,588.65 = 39,775.64/x
  3. Step 3: Cross multiply
    69,994.31x = 96,588.65 × 39,775.64
  4. Step 4: Simplify right side
    69,994.31x = 3,841,874,986.98
  5. Step 5: Solve for x
    x = 3,841,874,986.98/69,994.31
  6. Step 6: Final answer
    x = 54,888.39

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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.