Home / 71,126.64-98,111.39-45,624.42

Finding the Fourth Proportional to 71,126.64, 98,111.39 and 45,624.42

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Solution

The fourth proportional to 71,126.64, 98,111.39 and 45,624.42 is: 62,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126.64 : 98,111.39 = 45,624.42 : x
  2. Step 2: Convert to fraction form
    71,126.64/98,111.39 = 45,624.42/x
  3. Step 3: Cross multiply
    71,126.64x = 98,111.39 × 45,624.42
  4. Step 4: Simplify right side
    71,126.64x = 4,476,275,036.02
  5. Step 5: Solve for x
    x = 4,476,275,036.02/71,126.64
  6. Step 6: Final answer
    x = 62,933.87

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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.