Home / 75,080.16-103,622.29-42,814.86

Finding the Fourth Proportional to 75,080.16, 103,622.29 and 42,814.86

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Solution

The fourth proportional to 75,080.16, 103,622.29 and 42,814.86 is: 59,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.16 : 103,622.29 = 42,814.86 : x
  2. Step 2: Convert to fraction form
    75,080.16/103,622.29 = 42,814.86/x
  3. Step 3: Cross multiply
    75,080.16x = 103,622.29 × 42,814.86
  4. Step 4: Simplify right side
    75,080.16x = 4,436,573,343.61
  5. Step 5: Solve for x
    x = 4,436,573,343.61/75,080.16
  6. Step 6: Final answer
    x = 59,091.15

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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.