Home / 124,631.10-186,925.05-45,704.70

Finding the Fourth Proportional to 124,631.10, 186,925.05 and 45,704.70

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Solution

The fourth proportional to 124,631.10, 186,925.05 and 45,704.70 is: 68,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.10 : 186,925.05 = 45,704.70 : x
  2. Step 2: Convert to fraction form
    124,631.10/186,925.05 = 45,704.70/x
  3. Step 3: Cross multiply
    124,631.10x = 186,925.05 × 45,704.70
  4. Step 4: Simplify right side
    124,631.10x = 8,543,353,332.74
  5. Step 5: Solve for x
    x = 8,543,353,332.74/124,631.10
  6. Step 6: Final answer
    x = 68,549.13

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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.