Home / 88,330.57-121,855.96-52,500.22

Finding the Fourth Proportional to 88,330.57, 121,855.96 and 52,500.22

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Solution

The fourth proportional to 88,330.57, 121,855.96 and 52,500.22 is: 72,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,330.57 : 121,855.96 = 52,500.22 : x
  2. Step 2: Convert to fraction form
    88,330.57/121,855.96 = 52,500.22/x
  3. Step 3: Cross multiply
    88,330.57x = 121,855.96 × 52,500.22
  4. Step 4: Simplify right side
    88,330.57x = 6,397,464,708.31
  5. Step 5: Solve for x
    x = 6,397,464,708.31/88,330.57
  6. Step 6: Final answer
    x = 72,426.39

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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.