Home / 105,342.61-145,337.20-59,988.44

Finding the Fourth Proportional to 105,342.61, 145,337.20 and 59,988.44

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Solution

The fourth proportional to 105,342.61, 145,337.20 and 59,988.44 is: 82,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,342.61 : 145,337.20 = 59,988.44 : x
  2. Step 2: Convert to fraction form
    105,342.61/145,337.20 = 59,988.44/x
  3. Step 3: Cross multiply
    105,342.61x = 145,337.20 × 59,988.44
  4. Step 4: Simplify right side
    105,342.61x = 8,718,551,901.97
  5. Step 5: Solve for x
    x = 8,718,551,901.97/105,342.61
  6. Step 6: Final answer
    x = 82,763.77

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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.