Home / 89,854.16-124,000.18-49,567.20

Finding the Fourth Proportional to 89,854.16, 124,000.18 and 49,567.20

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Solution

The fourth proportional to 89,854.16, 124,000.18 and 49,567.20 is: 68,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.16 : 124,000.18 = 49,567.20 : x
  2. Step 2: Convert to fraction form
    89,854.16/124,000.18 = 49,567.20/x
  3. Step 3: Cross multiply
    89,854.16x = 124,000.18 × 49,567.20
  4. Step 4: Simplify right side
    89,854.16x = 6,146,341,722.10
  5. Step 5: Solve for x
    x = 6,146,341,722.10/89,854.16
  6. Step 6: Final answer
    x = 68,403.53

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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.