Home / 106,875.45-147,487.03-59,129.14

Finding the Fourth Proportional to 106,875.45, 147,487.03 and 59,129.14

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Solution

The fourth proportional to 106,875.45, 147,487.03 and 59,129.14 is: 81,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,875.45 : 147,487.03 = 59,129.14 : x
  2. Step 2: Convert to fraction form
    106,875.45/147,487.03 = 59,129.14/x
  3. Step 3: Cross multiply
    106,875.45x = 147,487.03 × 59,129.14
  4. Step 4: Simplify right side
    106,875.45x = 8,720,781,005.05
  5. Step 5: Solve for x
    x = 8,720,781,005.05/106,875.45
  6. Step 6: Final answer
    x = 81,597.61

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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.