Home / 96,710.40-145,065.60-34,387.20

Finding the Fourth Proportional to 96,710.40, 145,065.60 and 34,387.20

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Solution

The fourth proportional to 96,710.40, 145,065.60 and 34,387.20 is: 51,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710.40 : 145,065.60 = 34,387.20 : x
  2. Step 2: Convert to fraction form
    96,710.40/145,065.60 = 34,387.20/x
  3. Step 3: Cross multiply
    96,710.40x = 145,065.60 × 34,387.20
  4. Step 4: Simplify right side
    96,710.40x = 4,988,399,800.32
  5. Step 5: Solve for x
    x = 4,988,399,800.32/96,710.40
  6. Step 6: Final answer
    x = 51,580.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.