Home / 77,531.80-116,301.36-27,612.32

Finding the Fourth Proportional to 77,531.80, 116,301.36 and 27,612.32

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Solution

The fourth proportional to 77,531.80, 116,301.36 and 27,612.32 is: 41,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,531.80 : 116,301.36 = 27,612.32 : x
  2. Step 2: Convert to fraction form
    77,531.80/116,301.36 = 27,612.32/x
  3. Step 3: Cross multiply
    77,531.80x = 116,301.36 × 27,612.32
  4. Step 4: Simplify right side
    77,531.80x = 3,211,350,368.76
  5. Step 5: Solve for x
    x = 3,211,350,368.76/77,531.80
  6. Step 6: Final answer
    x = 41,419.78

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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.