Home / 65,859.45-98,718.33-28,437.15

Finding the Fourth Proportional to 65,859.45, 98,718.33 and 28,437.15

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Solution

The fourth proportional to 65,859.45, 98,718.33 and 28,437.15 is: 42,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,859.45 : 98,718.33 = 28,437.15 : x
  2. Step 2: Convert to fraction form
    65,859.45/98,718.33 = 28,437.15/x
  3. Step 3: Cross multiply
    65,859.45x = 98,718.33 × 28,437.15
  4. Step 4: Simplify right side
    65,859.45x = 2,807,267,481.13
  5. Step 5: Solve for x
    x = 2,807,267,481.13/65,859.45
  6. Step 6: Final answer
    x = 42,625.13

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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.