Home / 124,830.60-187,363.35-65,708.70

Finding the Fourth Proportional to 124,830.60, 187,363.35 and 65,708.70

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Solution

The fourth proportional to 124,830.60, 187,363.35 and 65,708.70 is: 98,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.60 : 187,363.35 = 65,708.70 : x
  2. Step 2: Convert to fraction form
    124,830.60/187,363.35 = 65,708.70/x
  3. Step 3: Cross multiply
    124,830.60x = 187,363.35 × 65,708.70
  4. Step 4: Simplify right side
    124,830.60x = 12,311,402,156.15
  5. Step 5: Solve for x
    x = 12,311,402,156.15/124,830.60
  6. Step 6: Final answer
    x = 98,624.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.