Home / 83,442.54-125,108.31-53,844.21

Finding the Fourth Proportional to 83,442.54, 125,108.31 and 53,844.21

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Solution

The fourth proportional to 83,442.54, 125,108.31 and 53,844.21 is: 80,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.54 : 125,108.31 = 53,844.21 : x
  2. Step 2: Convert to fraction form
    83,442.54/125,108.31 = 53,844.21/x
  3. Step 3: Cross multiply
    83,442.54x = 125,108.31 × 53,844.21
  4. Step 4: Simplify right side
    83,442.54x = 6,736,358,116.39
  5. Step 5: Solve for x
    x = 6,736,358,116.39/83,442.54
  6. Step 6: Final answer
    x = 80,730.50

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1.5x scale

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.