Home / 98,891.55-136,470.76-53,569.42

Finding the Fourth Proportional to 98,891.55, 136,470.76 and 53,569.42

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Solution

The fourth proportional to 98,891.55, 136,470.76 and 53,569.42 is: 73,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,891.55 : 136,470.76 = 53,569.42 : x
  2. Step 2: Convert to fraction form
    98,891.55/136,470.76 = 53,569.42/x
  3. Step 3: Cross multiply
    98,891.55x = 136,470.76 × 53,569.42
  4. Step 4: Simplify right side
    98,891.55x = 7,310,658,985.06
  5. Step 5: Solve for x
    x = 7,310,658,985.06/98,891.55
  6. Step 6: Final answer
    x = 73,926.02

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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.