Home / 107,543.14-148,446.45-65,101.68

Finding the Fourth Proportional to 107,543.14, 148,446.45 and 65,101.68

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Solution

The fourth proportional to 107,543.14, 148,446.45 and 65,101.68 is: 89,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543.14 : 148,446.45 = 65,101.68 : x
  2. Step 2: Convert to fraction form
    107,543.14/148,446.45 = 65,101.68/x
  3. Step 3: Cross multiply
    107,543.14x = 148,446.45 × 65,101.68
  4. Step 4: Simplify right side
    107,543.14x = 9,664,112,959.53
  5. Step 5: Solve for x
    x = 9,664,112,959.53/107,543.14
  6. Step 6: Final answer
    x = 89,862.67

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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.