Home / 124,069.50-185,956.02-45,140.76

Finding the Fourth Proportional to 124,069.50, 185,956.02 and 45,140.76

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Solution

The fourth proportional to 124,069.50, 185,956.02 and 45,140.76 is: 67,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,069.50 : 185,956.02 = 45,140.76 : x
  2. Step 2: Convert to fraction form
    124,069.50/185,956.02 = 45,140.76/x
  3. Step 3: Cross multiply
    124,069.50x = 185,956.02 × 45,140.76
  4. Step 4: Simplify right side
    124,069.50x = 8,394,196,069.38
  5. Step 5: Solve for x
    x = 8,394,196,069.38/124,069.50
  6. Step 6: Final answer
    x = 67,657.21

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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.