Home / 99,159.63-136,839.85-53,837.24

Finding the Fourth Proportional to 99,159.63, 136,839.85 and 53,837.24

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Solution

The fourth proportional to 99,159.63, 136,839.85 and 53,837.24 is: 74,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,159.63 : 136,839.85 = 53,837.24 : x
  2. Step 2: Convert to fraction form
    99,159.63/136,839.85 = 53,837.24/x
  3. Step 3: Cross multiply
    99,159.63x = 136,839.85 × 53,837.24
  4. Step 4: Simplify right side
    99,159.63x = 7,367,079,796.95
  5. Step 5: Solve for x
    x = 7,367,079,796.95/99,159.63
  6. Step 6: Final answer
    x = 74,295.15

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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.