Home / 70,064.34-96,685.83-39,845.45

Finding the Fourth Proportional to 70,064.34, 96,685.83 and 39,845.45

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Solution

The fourth proportional to 70,064.34, 96,685.83 and 39,845.45 is: 54,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,064.34 : 96,685.83 = 39,845.45 : x
  2. Step 2: Convert to fraction form
    70,064.34/96,685.83 = 39,845.45/x
  3. Step 3: Cross multiply
    70,064.34x = 96,685.83 × 39,845.45
  4. Step 4: Simplify right side
    70,064.34x = 3,852,489,921.54
  5. Step 5: Solve for x
    x = 3,852,489,921.54/70,064.34
  6. Step 6: Final answer
    x = 54,985.03

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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.