Home / 74,350.68-102,610.05-42,525.72

Finding the Fourth Proportional to 74,350.68, 102,610.05 and 42,525.72

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Solution

The fourth proportional to 74,350.68, 102,610.05 and 42,525.72 is: 58,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.68 : 102,610.05 = 42,525.72 : x
  2. Step 2: Convert to fraction form
    74,350.68/102,610.05 = 42,525.72/x
  3. Step 3: Cross multiply
    74,350.68x = 102,610.05 × 42,525.72
  4. Step 4: Simplify right side
    74,350.68x = 4,363,566,255.49
  5. Step 5: Solve for x
    x = 4,363,566,255.49/74,350.68
  6. Step 6: Final answer
    x = 58,688.99

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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.