Home / 85,577.01-118,087.19-47,330.48

Finding the Fourth Proportional to 85,577.01, 118,087.19 and 47,330.48

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Solution

The fourth proportional to 85,577.01, 118,087.19 and 47,330.48 is: 65,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,577.01 : 118,087.19 = 47,330.48 : x
  2. Step 2: Convert to fraction form
    85,577.01/118,087.19 = 47,330.48/x
  3. Step 3: Cross multiply
    85,577.01x = 118,087.19 × 47,330.48
  4. Step 4: Simplify right side
    85,577.01x = 5,589,123,039.06
  5. Step 5: Solve for x
    x = 5,589,123,039.06/85,577.01
  6. Step 6: Final answer
    x = 65,311.04

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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.