Home / 89,948.76-124,134.14-49,662.40

Finding the Fourth Proportional to 89,948.76, 124,134.14 and 49,662.40

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Solution

The fourth proportional to 89,948.76, 124,134.14 and 49,662.40 is: 68,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,948.76 : 124,134.14 = 49,662.40 : x
  2. Step 2: Convert to fraction form
    89,948.76/124,134.14 = 49,662.40/x
  3. Step 3: Cross multiply
    89,948.76x = 124,134.14 × 49,662.40
  4. Step 4: Simplify right side
    89,948.76x = 6,164,799,314.34
  5. Step 5: Solve for x
    x = 6,164,799,314.34/89,948.76
  6. Step 6: Final answer
    x = 68,536.79

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1.5x scale

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.