Home / 99,799.04-137,719.20-59,492

Finding the Fourth Proportional to 99,799.04, 137,719.20 and 59,492

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Solution

The fourth proportional to 99,799.04, 137,719.20 and 59,492 is: 82,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,799.04 : 137,719.20 = 59,492 : x
  2. Step 2: Convert to fraction form
    99,799.04/137,719.20 = 59,492/x
  3. Step 3: Cross multiply
    99,799.04x = 137,719.20 × 59,492
  4. Step 4: Simplify right side
    99,799.04x = 8,193,190,646.40
  5. Step 5: Solve for x
    x = 8,193,190,646.40/99,799.04
  6. Step 6: Final answer
    x = 82,096.89

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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.