Home / 81,161.83-112,001.18-45,352.14

Finding the Fourth Proportional to 81,161.83, 112,001.18 and 45,352.14

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Solution

The fourth proportional to 81,161.83, 112,001.18 and 45,352.14 is: 62,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,161.83 : 112,001.18 = 45,352.14 : x
  2. Step 2: Convert to fraction form
    81,161.83/112,001.18 = 45,352.14/x
  3. Step 3: Cross multiply
    81,161.83x = 112,001.18 × 45,352.14
  4. Step 4: Simplify right side
    81,161.83x = 5,079,492,522.14
  5. Step 5: Solve for x
    x = 5,079,492,522.14/81,161.83
  6. Step 6: Final answer
    x = 62,584.75

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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.