Home / 113,774.08-157,011.60-63,472

Finding the Fourth Proportional to 113,774.08, 157,011.60 and 63,472

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Solution

The fourth proportional to 113,774.08, 157,011.60 and 63,472 is: 87,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.08 : 157,011.60 = 63,472 : x
  2. Step 2: Convert to fraction form
    113,774.08/157,011.60 = 63,472/x
  3. Step 3: Cross multiply
    113,774.08x = 157,011.60 × 63,472
  4. Step 4: Simplify right side
    113,774.08x = 9,965,840,275.20
  5. Step 5: Solve for x
    x = 9,965,840,275.20/113,774.08
  6. Step 6: Final answer
    x = 87,593.24

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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.