Home / 74,444.59-102,737.47-42,185.46

Finding the Fourth Proportional to 74,444.59, 102,737.47 and 42,185.46

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Solution

The fourth proportional to 74,444.59, 102,737.47 and 42,185.46 is: 58,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.59 : 102,737.47 = 42,185.46 : x
  2. Step 2: Convert to fraction form
    74,444.59/102,737.47 = 42,185.46/x
  3. Step 3: Cross multiply
    74,444.59x = 102,737.47 × 42,185.46
  4. Step 4: Simplify right side
    74,444.59x = 4,334,027,958.72
  5. Step 5: Solve for x
    x = 4,334,027,958.72/74,444.59
  6. Step 6: Final answer
    x = 58,218.17

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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.