Home / 81,800.22-112,885.35-45,988.14

Finding the Fourth Proportional to 81,800.22, 112,885.35 and 45,988.14

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Solution

The fourth proportional to 81,800.22, 112,885.35 and 45,988.14 is: 63,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.22 : 112,885.35 = 45,988.14 : x
  2. Step 2: Convert to fraction form
    81,800.22/112,885.35 = 45,988.14/x
  3. Step 3: Cross multiply
    81,800.22x = 112,885.35 × 45,988.14
  4. Step 4: Simplify right side
    81,800.22x = 5,191,387,279.75
  5. Step 5: Solve for x
    x = 5,191,387,279.75/81,800.22
  6. Step 6: Final answer
    x = 63,464.22

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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.