Home / 88,381.83-121,957.04-52,080.94

Finding the Fourth Proportional to 88,381.83, 121,957.04 and 52,080.94

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Solution

The fourth proportional to 88,381.83, 121,957.04 and 52,080.94 is: 71,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.83 : 121,957.04 = 52,080.94 : x
  2. Step 2: Convert to fraction form
    88,381.83/121,957.04 = 52,080.94/x
  3. Step 3: Cross multiply
    88,381.83x = 121,957.04 × 52,080.94
  4. Step 4: Simplify right side
    88,381.83x = 6,351,637,565.47
  5. Step 5: Solve for x
    x = 6,351,637,565.47/88,381.83
  6. Step 6: Final answer
    x = 71,865.87

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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.