Home / 84,884.10-127,233.15-42,696.90

Finding the Fourth Proportional to 84,884.10, 127,233.15 and 42,696.90

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Solution

The fourth proportional to 84,884.10, 127,233.15 and 42,696.90 is: 63,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,884.10 : 127,233.15 = 42,696.90 : x
  2. Step 2: Convert to fraction form
    84,884.10/127,233.15 = 42,696.90/x
  3. Step 3: Cross multiply
    84,884.10x = 127,233.15 × 42,696.90
  4. Step 4: Simplify right side
    84,884.10x = 5,432,461,082.24
  5. Step 5: Solve for x
    x = 5,432,461,082.24/84,884.10
  6. Step 6: Final answer
    x = 63,998.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.