Home / 40,140.12-60,071.55-32,223.78

Finding the Fourth Proportional to 40,140.12, 60,071.55 and 32,223.78

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Solution

The fourth proportional to 40,140.12, 60,071.55 and 32,223.78 is: 48,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.12 : 60,071.55 = 32,223.78 : x
  2. Step 2: Convert to fraction form
    40,140.12/60,071.55 = 32,223.78/x
  3. Step 3: Cross multiply
    40,140.12x = 60,071.55 × 32,223.78
  4. Step 4: Simplify right side
    40,140.12x = 1,935,732,411.46
  5. Step 5: Solve for x
    x = 1,935,732,411.46/40,140.12
  6. Step 6: Final answer
    x = 48,224.38

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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.