Home / 88,170.66-121,677.53-52,360.79

Finding the Fourth Proportional to 88,170.66, 121,677.53 and 52,360.79

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Solution

The fourth proportional to 88,170.66, 121,677.53 and 52,360.79 is: 72,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.66 : 121,677.53 = 52,360.79 : x
  2. Step 2: Convert to fraction form
    88,170.66/121,677.53 = 52,360.79/x
  3. Step 3: Cross multiply
    88,170.66x = 121,677.53 × 52,360.79
  4. Step 4: Simplify right side
    88,170.66x = 6,371,130,725.86
  5. Step 5: Solve for x
    x = 6,371,130,725.86/88,170.66
  6. Step 6: Final answer
    x = 72,259.08

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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.