Home / 88,088.64-121,620.86-52,290.15

Finding the Fourth Proportional to 88,088.64, 121,620.86 and 52,290.15

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Solution

The fourth proportional to 88,088.64, 121,620.86 and 52,290.15 is: 72,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,088.64 : 121,620.86 = 52,290.15 : x
  2. Step 2: Convert to fraction form
    88,088.64/121,620.86 = 52,290.15/x
  3. Step 3: Cross multiply
    88,088.64x = 121,620.86 × 52,290.15
  4. Step 4: Simplify right side
    88,088.64x = 6,359,573,012.53
  5. Step 5: Solve for x
    x = 6,359,573,012.53/88,088.64
  6. Step 6: Final answer
    x = 72,195.15

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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.