Home / 65,564.10-98,346.15-28,117.80

Finding the Fourth Proportional to 65,564.10, 98,346.15 and 28,117.80

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Solution

The fourth proportional to 65,564.10, 98,346.15 and 28,117.80 is: 42,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.10 : 98,346.15 = 28,117.80 : x
  2. Step 2: Convert to fraction form
    65,564.10/98,346.15 = 28,117.80/x
  3. Step 3: Cross multiply
    65,564.10x = 98,346.15 × 28,117.80
  4. Step 4: Simplify right side
    65,564.10x = 2,765,277,376.47
  5. Step 5: Solve for x
    x = 2,765,277,376.47/65,564.10
  6. Step 6: Final answer
    x = 42,176.70

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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.