Home / 85,247.06-117,631.42-54,606.18

Finding the Fourth Proportional to 85,247.06, 117,631.42 and 54,606.18

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Solution

The fourth proportional to 85,247.06, 117,631.42 and 54,606.18 is: 75,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.06 : 117,631.42 = 54,606.18 : x
  2. Step 2: Convert to fraction form
    85,247.06/117,631.42 = 54,606.18/x
  3. Step 3: Cross multiply
    85,247.06x = 117,631.42 × 54,606.18
  4. Step 4: Simplify right side
    85,247.06x = 6,423,402,494.18
  5. Step 5: Solve for x
    x = 6,423,402,494.18/85,247.06
  6. Step 6: Final answer
    x = 75,350.43

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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.