Home / 74,292.61-102,498.87-42,438.96

Finding the Fourth Proportional to 74,292.61, 102,498.87 and 42,438.96

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Solution

The fourth proportional to 74,292.61, 102,498.87 and 42,438.96 is: 58,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292.61 : 102,498.87 = 42,438.96 : x
  2. Step 2: Convert to fraction form
    74,292.61/102,498.87 = 42,438.96/x
  3. Step 3: Cross multiply
    74,292.61x = 102,498.87 × 42,438.96
  4. Step 4: Simplify right side
    74,292.61x = 4,349,945,443.98
  5. Step 5: Solve for x
    x = 4,349,945,443.98/74,292.61
  6. Step 6: Final answer
    x = 58,551.52

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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.