Home / 96,925.28-145,340.50-39,988.60

Finding the Fourth Proportional to 96,925.28, 145,340.50 and 39,988.60

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Solution

The fourth proportional to 96,925.28, 145,340.50 and 39,988.60 is: 59,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,925.28 : 145,340.50 = 39,988.60 : x
  2. Step 2: Convert to fraction form
    96,925.28/145,340.50 = 39,988.60/x
  3. Step 3: Cross multiply
    96,925.28x = 145,340.50 × 39,988.60
  4. Step 4: Simplify right side
    96,925.28x = 5,811,963,118.30
  5. Step 5: Solve for x
    x = 5,811,963,118.30/96,925.28
  6. Step 6: Final answer
    x = 59,963.34

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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.