Home / 88,036.29-121,490.42-47,750.40

Finding the Fourth Proportional to 88,036.29, 121,490.42 and 47,750.40

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Solution

The fourth proportional to 88,036.29, 121,490.42 and 47,750.40 is: 65,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036.29 : 121,490.42 = 47,750.40 : x
  2. Step 2: Convert to fraction form
    88,036.29/121,490.42 = 47,750.40/x
  3. Step 3: Cross multiply
    88,036.29x = 121,490.42 × 47,750.40
  4. Step 4: Simplify right side
    88,036.29x = 5,801,215,912.42
  5. Step 5: Solve for x
    x = 5,801,215,912.42/88,036.29
  6. Step 6: Final answer
    x = 65,895.73

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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.