Home / 88,077.12-121,538.40-52,260.96

Finding the Fourth Proportional to 88,077.12, 121,538.40 and 52,260.96

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Solution

The fourth proportional to 88,077.12, 121,538.40 and 52,260.96 is: 72,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.12 : 121,538.40 = 52,260.96 : x
  2. Step 2: Convert to fraction form
    88,077.12/121,538.40 = 52,260.96/x
  3. Step 3: Cross multiply
    88,077.12x = 121,538.40 × 52,260.96
  4. Step 4: Simplify right side
    88,077.12x = 6,351,713,460.86
  5. Step 5: Solve for x
    x = 6,351,713,460.86/88,077.12
  6. Step 6: Final answer
    x = 72,115.36

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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.