Home / 58,487.31-80,617.28-45,717.95

Finding the Fourth Proportional to 58,487.31, 80,617.28 and 45,717.95

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Solution

The fourth proportional to 58,487.31, 80,617.28 and 45,717.95 is: 63,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.31 : 80,617.28 = 45,717.95 : x
  2. Step 2: Convert to fraction form
    58,487.31/80,617.28 = 45,717.95/x
  3. Step 3: Cross multiply
    58,487.31x = 80,617.28 × 45,717.95
  4. Step 4: Simplify right side
    58,487.31x = 3,685,656,749.13
  5. Step 5: Solve for x
    x = 3,685,656,749.13/58,487.31
  6. Step 6: Final answer
    x = 63,016.35

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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.