Home / 106,788.28-147,360.60-59,035.18

Finding the Fourth Proportional to 106,788.28, 147,360.60 and 59,035.18

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Solution

The fourth proportional to 106,788.28, 147,360.60 and 59,035.18 is: 81,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.28 : 147,360.60 = 59,035.18 : x
  2. Step 2: Convert to fraction form
    106,788.28/147,360.60 = 59,035.18/x
  3. Step 3: Cross multiply
    106,788.28x = 147,360.60 × 59,035.18
  4. Step 4: Simplify right side
    106,788.28x = 8,699,459,545.91
  5. Step 5: Solve for x
    x = 8,699,459,545.91/106,788.28
  6. Step 6: Final answer
    x = 81,464.55

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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.