Home / 84,765.30-127,147.92-66,059.34

Finding the Fourth Proportional to 84,765.30, 127,147.92 and 66,059.34

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Solution

The fourth proportional to 84,765.30, 127,147.92 and 66,059.34 is: 99,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.30 : 127,147.92 = 66,059.34 : x
  2. Step 2: Convert to fraction form
    84,765.30/127,147.92 = 66,059.34/x
  3. Step 3: Cross multiply
    84,765.30x = 127,147.92 × 66,059.34
  4. Step 4: Simplify right side
    84,765.30x = 8,399,307,677.57
  5. Step 5: Solve for x
    x = 8,399,307,677.57/84,765.30
  6. Step 6: Final answer
    x = 99,088.99

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1.5x scale

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.