Home / 113,789.16-157,029.02-63,488.16

Finding the Fourth Proportional to 113,789.16, 157,029.02 and 63,488.16

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Solution

The fourth proportional to 113,789.16, 157,029.02 and 63,488.16 is: 87,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.16 : 157,029.02 = 63,488.16 : x
  2. Step 2: Convert to fraction form
    113,789.16/157,029.02 = 63,488.16/x
  3. Step 3: Cross multiply
    113,789.16x = 157,029.02 × 63,488.16
  4. Step 4: Simplify right side
    113,789.16x = 9,969,483,546.40
  5. Step 5: Solve for x
    x = 9,969,483,546.40/113,789.16
  6. Step 6: Final answer
    x = 87,613.65

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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.