Home / 88,089.12-121,554.96-52,272.96

Finding the Fourth Proportional to 88,089.12, 121,554.96 and 52,272.96

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Solution

The fourth proportional to 88,089.12, 121,554.96 and 52,272.96 is: 72,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.12 : 121,554.96 = 52,272.96 : x
  2. Step 2: Convert to fraction form
    88,089.12/121,554.96 = 52,272.96/x
  3. Step 3: Cross multiply
    88,089.12x = 121,554.96 × 52,272.96
  4. Step 4: Simplify right side
    88,089.12x = 6,354,037,561.88
  5. Step 5: Solve for x
    x = 6,354,037,561.88/88,089.12
  6. Step 6: Final answer
    x = 72,131.92

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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.