Home / 124,443.10-186,643.05-45,516.70

Finding the Fourth Proportional to 124,443.10, 186,643.05 and 45,516.70

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Solution

The fourth proportional to 124,443.10, 186,643.05 and 45,516.70 is: 68,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443.10 : 186,643.05 = 45,516.70 : x
  2. Step 2: Convert to fraction form
    124,443.10/186,643.05 = 45,516.70/x
  3. Step 3: Cross multiply
    124,443.10x = 186,643.05 × 45,516.70
  4. Step 4: Simplify right side
    124,443.10x = 8,495,375,713.94
  5. Step 5: Solve for x
    x = 8,495,375,713.94/124,443.10
  6. Step 6: Final answer
    x = 68,267.15

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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.