Home / 88,135.14-121,597.52-49,890.90

Finding the Fourth Proportional to 88,135.14, 121,597.52 and 49,890.90

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Solution

The fourth proportional to 88,135.14, 121,597.52 and 49,890.90 is: 68,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,135.14 : 121,597.52 = 49,890.90 : x
  2. Step 2: Convert to fraction form
    88,135.14/121,597.52 = 49,890.90/x
  3. Step 3: Cross multiply
    88,135.14x = 121,597.52 × 49,890.90
  4. Step 4: Simplify right side
    88,135.14x = 6,066,609,461.11
  5. Step 5: Solve for x
    x = 6,066,609,461.11/88,135.14
  6. Step 6: Final answer
    x = 68,833.04

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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.