Home / 58,259.16-87,328.14-39,540.72

Finding the Fourth Proportional to 58,259.16, 87,328.14 and 39,540.72

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Solution

The fourth proportional to 58,259.16, 87,328.14 and 39,540.72 is: 59,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259.16 : 87,328.14 = 39,540.72 : x
  2. Step 2: Convert to fraction form
    58,259.16/87,328.14 = 39,540.72/x
  3. Step 3: Cross multiply
    58,259.16x = 87,328.14 × 39,540.72
  4. Step 4: Simplify right side
    58,259.16x = 3,453,017,531.86
  5. Step 5: Solve for x
    x = 3,453,017,531.86/58,259.16
  6. Step 6: Final answer
    x = 59,269.95

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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.