Home / 83,475.93-115,349.54-60,775.52

Finding the Fourth Proportional to 83,475.93, 115,349.54 and 60,775.52

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Solution

The fourth proportional to 83,475.93, 115,349.54 and 60,775.52 is: 83,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.93 : 115,349.54 = 60,775.52 : x
  2. Step 2: Convert to fraction form
    83,475.93/115,349.54 = 60,775.52/x
  3. Step 3: Cross multiply
    83,475.93x = 115,349.54 × 60,775.52
  4. Step 4: Simplify right side
    83,475.93x = 7,010,428,275.26
  5. Step 5: Solve for x
    x = 7,010,428,275.26/83,475.93
  6. Step 6: Final answer
    x = 83,981.43

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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.