Home / 99,265.16-136,986.48-53,943.52

Finding the Fourth Proportional to 99,265.16, 136,986.48 and 53,943.52

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Solution

The fourth proportional to 99,265.16, 136,986.48 and 53,943.52 is: 74,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.16 : 136,986.48 = 53,943.52 : x
  2. Step 2: Convert to fraction form
    99,265.16/136,986.48 = 53,943.52/x
  3. Step 3: Cross multiply
    99,265.16x = 136,986.48 × 53,943.52
  4. Step 4: Simplify right side
    99,265.16x = 7,389,532,923.61
  5. Step 5: Solve for x
    x = 7,389,532,923.61/99,265.16
  6. Step 6: Final answer
    x = 74,442.36

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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.