Home / 88,239.31-121,708.65-58,014.97

Finding the Fourth Proportional to 88,239.31, 121,708.65 and 58,014.97

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Solution

The fourth proportional to 88,239.31, 121,708.65 and 58,014.97 is: 80,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.31 : 121,708.65 = 58,014.97 : x
  2. Step 2: Convert to fraction form
    88,239.31/121,708.65 = 58,014.97/x
  3. Step 3: Cross multiply
    88,239.31x = 121,708.65 × 58,014.97
  4. Step 4: Simplify right side
    88,239.31x = 7,060,923,678.49
  5. Step 5: Solve for x
    x = 7,060,923,678.49/88,239.31
  6. Step 6: Final answer
    x = 80,020.16

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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.