Home / 106,754.61-147,317.85-59,007.72

Finding the Fourth Proportional to 106,754.61, 147,317.85 and 59,007.72

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Solution

The fourth proportional to 106,754.61, 147,317.85 and 59,007.72 is: 81,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,754.61 : 147,317.85 = 59,007.72 : x
  2. Step 2: Convert to fraction form
    106,754.61/147,317.85 = 59,007.72/x
  3. Step 3: Cross multiply
    106,754.61x = 147,317.85 × 59,007.72
  4. Step 4: Simplify right side
    106,754.61x = 8,692,890,443.80
  5. Step 5: Solve for x
    x = 8,692,890,443.80/106,754.61
  6. Step 6: Final answer
    x = 81,428.71

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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.