Home / 98,859.57-136,437.26-56,425.29

Finding the Fourth Proportional to 98,859.57, 136,437.26 and 56,425.29

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Solution

The fourth proportional to 98,859.57, 136,437.26 and 56,425.29 is: 77,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.57 : 136,437.26 = 56,425.29 : x
  2. Step 2: Convert to fraction form
    98,859.57/136,437.26 = 56,425.29/x
  3. Step 3: Cross multiply
    98,859.57x = 136,437.26 × 56,425.29
  4. Step 4: Simplify right side
    98,859.57x = 7,698,511,680.18
  5. Step 5: Solve for x
    x = 7,698,511,680.18/98,859.57
  6. Step 6: Final answer
    x = 77,873.21

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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.