Home / 81,168.06-112,017.12-45,358.22

Finding the Fourth Proportional to 81,168.06, 112,017.12 and 45,358.22

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Solution

The fourth proportional to 81,168.06, 112,017.12 and 45,358.22 is: 62,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,168.06 : 112,017.12 = 45,358.22 : x
  2. Step 2: Convert to fraction form
    81,168.06/112,017.12 = 45,358.22/x
  3. Step 3: Cross multiply
    81,168.06x = 112,017.12 × 45,358.22
  4. Step 4: Simplify right side
    81,168.06x = 5,080,897,172.73
  5. Step 5: Solve for x
    x = 5,080,897,172.73/81,168.06
  6. Step 6: Final answer
    x = 62,597.25

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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.