Home / 86,508.20-119,381.10-48,782.18

Finding the Fourth Proportional to 86,508.20, 119,381.10 and 48,782.18

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Solution

The fourth proportional to 86,508.20, 119,381.10 and 48,782.18 is: 67,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.20 : 119,381.10 = 48,782.18 : x
  2. Step 2: Convert to fraction form
    86,508.20/119,381.10 = 48,782.18/x
  3. Step 3: Cross multiply
    86,508.20x = 119,381.10 × 48,782.18
  4. Step 4: Simplify right side
    86,508.20x = 5,823,670,308.80
  5. Step 5: Solve for x
    x = 5,823,670,308.80/86,508.20
  6. Step 6: Final answer
    x = 67,319.29

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1.5x scale

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.