Home / 63,137.19-87,126.57-34,456.12

Finding the Fourth Proportional to 63,137.19, 87,126.57 and 34,456.12

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Solution

The fourth proportional to 63,137.19, 87,126.57 and 34,456.12 is: 47,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,137.19 : 87,126.57 = 34,456.12 : x
  2. Step 2: Convert to fraction form
    63,137.19/87,126.57 = 34,456.12/x
  3. Step 3: Cross multiply
    63,137.19x = 87,126.57 × 34,456.12
  4. Step 4: Simplify right side
    63,137.19x = 3,002,043,789.23
  5. Step 5: Solve for x
    x = 3,002,043,789.23/63,137.19
  6. Step 6: Final answer
    x = 47,547.95

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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.