Home / 74,302.07-102,536.85-42,471.65

Finding the Fourth Proportional to 74,302.07, 102,536.85 and 42,471.65

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Solution

The fourth proportional to 74,302.07, 102,536.85 and 42,471.65 is: 58,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.07 : 102,536.85 = 42,471.65 : x
  2. Step 2: Convert to fraction form
    74,302.07/102,536.85 = 42,471.65/x
  3. Step 3: Cross multiply
    74,302.07x = 102,536.85 × 42,471.65
  4. Step 4: Simplify right side
    74,302.07x = 4,354,909,366.46
  5. Step 5: Solve for x
    x = 4,354,909,366.46/74,302.07
  6. Step 6: Final answer
    x = 58,610.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.