Home / 74,254.95-102,462.39-42,425.91

Finding the Fourth Proportional to 74,254.95, 102,462.39 and 42,425.91

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Solution

The fourth proportional to 74,254.95, 102,462.39 and 42,425.91 is: 58,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.95 : 102,462.39 = 42,425.91 : x
  2. Step 2: Convert to fraction form
    74,254.95/102,462.39 = 42,425.91/x
  3. Step 3: Cross multiply
    74,254.95x = 102,462.39 × 42,425.91
  4. Step 4: Simplify right side
    74,254.95x = 4,347,060,136.52
  5. Step 5: Solve for x
    x = 4,347,060,136.52/74,254.95
  6. Step 6: Final answer
    x = 58,542.36

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1.5x scale

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.