Home / 98,943.36-148,436.16-56,842.56

Finding the Fourth Proportional to 98,943.36, 148,436.16 and 56,842.56

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Solution

The fourth proportional to 98,943.36, 148,436.16 and 56,842.56 is: 85,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943.36 : 148,436.16 = 56,842.56 : x
  2. Step 2: Convert to fraction form
    98,943.36/148,436.16 = 56,842.56/x
  3. Step 3: Cross multiply
    98,943.36x = 148,436.16 × 56,842.56
  4. Step 4: Simplify right side
    98,943.36x = 8,437,491,330.97
  5. Step 5: Solve for x
    x = 8,437,491,330.97/98,943.36
  6. Step 6: Final answer
    x = 85,275.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.