Home / 98,860.52-136,427.55-54,148.52

Finding the Fourth Proportional to 98,860.52, 136,427.55 and 54,148.52

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Solution

The fourth proportional to 98,860.52, 136,427.55 and 54,148.52 is: 74,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,860.52 : 136,427.55 = 54,148.52 : x
  2. Step 2: Convert to fraction form
    98,860.52/136,427.55 = 54,148.52/x
  3. Step 3: Cross multiply
    98,860.52x = 136,427.55 × 54,148.52
  4. Step 4: Simplify right side
    98,860.52x = 7,387,349,919.73
  5. Step 5: Solve for x
    x = 7,387,349,919.73/98,860.52
  6. Step 6: Final answer
    x = 74,724.98

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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.