Home / 88,331.73-121,886.72-59,713.66

Finding the Fourth Proportional to 88,331.73, 121,886.72 and 59,713.66

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Solution

The fourth proportional to 88,331.73, 121,886.72 and 59,713.66 is: 82,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.73 : 121,886.72 = 59,713.66 : x
  2. Step 2: Convert to fraction form
    88,331.73/121,886.72 = 59,713.66/x
  3. Step 3: Cross multiply
    88,331.73x = 121,886.72 × 59,713.66
  4. Step 4: Simplify right side
    88,331.73x = 7,278,301,858.03
  5. Step 5: Solve for x
    x = 7,278,301,858.03/88,331.73
  6. Step 6: Final answer
    x = 82,397.37

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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.