Home / 58,302.30-87,456.21-18,862.50

Finding the Fourth Proportional to 58,302.30, 87,456.21 and 18,862.50

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Solution

The fourth proportional to 58,302.30, 87,456.21 and 18,862.50 is: 28,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302.30 : 87,456.21 = 18,862.50 : x
  2. Step 2: Convert to fraction form
    58,302.30/87,456.21 = 18,862.50/x
  3. Step 3: Cross multiply
    58,302.30x = 87,456.21 × 18,862.50
  4. Step 4: Simplify right side
    58,302.30x = 1,649,642,761.13
  5. Step 5: Solve for x
    x = 1,649,642,761.13/58,302.30
  6. Step 6: Final answer
    x = 28,294.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.