Home / 49,427.20-74,141.28-39,541.92

Finding the Fourth Proportional to 49,427.20, 74,141.28 and 39,541.92

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Solution

The fourth proportional to 49,427.20, 74,141.28 and 39,541.92 is: 59,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.20 : 74,141.28 = 39,541.92 : x
  2. Step 2: Convert to fraction form
    49,427.20/74,141.28 = 39,541.92/x
  3. Step 3: Cross multiply
    49,427.20x = 74,141.28 × 39,541.92
  4. Step 4: Simplify right side
    49,427.20x = 2,931,688,562.46
  5. Step 5: Solve for x
    x = 2,931,688,562.46/49,427.20
  6. Step 6: Final answer
    x = 59,313.26

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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.