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Finding the Fourth Proportional to 73,907.20, 110,875.20 and 29,526.40

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Solution

The fourth proportional to 73,907.20, 110,875.20 and 29,526.40 is: 44,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907.20 : 110,875.20 = 29,526.40 : x
  2. Step 2: Convert to fraction form
    73,907.20/110,875.20 = 29,526.40/x
  3. Step 3: Cross multiply
    73,907.20x = 110,875.20 × 29,526.40
  4. Step 4: Simplify right side
    73,907.20x = 3,273,745,505.28
  5. Step 5: Solve for x
    x = 3,273,745,505.28/73,907.20
  6. Step 6: Final answer
    x = 44,295.35

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1.5x scale

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.