Home / 83,501.79-115,180.18-54,822.93

Finding the Fourth Proportional to 83,501.79, 115,180.18 and 54,822.93

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Solution

The fourth proportional to 83,501.79, 115,180.18 and 54,822.93 is: 75,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.79 : 115,180.18 = 54,822.93 : x
  2. Step 2: Convert to fraction form
    83,501.79/115,180.18 = 54,822.93/x
  3. Step 3: Cross multiply
    83,501.79x = 115,180.18 × 54,822.93
  4. Step 4: Simplify right side
    83,501.79x = 6,314,514,376.54
  5. Step 5: Solve for x
    x = 6,314,514,376.54/83,501.79
  6. Step 6: Final answer
    x = 75,621.31

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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.