Home / 85,162.18-127,763.05-29,002.77

Finding the Fourth Proportional to 85,162.18, 127,763.05 and 29,002.77

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Solution

The fourth proportional to 85,162.18, 127,763.05 and 29,002.77 is: 43,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,162.18 : 127,763.05 = 29,002.77 : x
  2. Step 2: Convert to fraction form
    85,162.18/127,763.05 = 29,002.77/x
  3. Step 3: Cross multiply
    85,162.18x = 127,763.05 × 29,002.77
  4. Step 4: Simplify right side
    85,162.18x = 3,705,482,663.03
  5. Step 5: Solve for x
    x = 3,705,482,663.03/85,162.18
  6. Step 6: Final answer
    x = 43,510.90

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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.