Home / 83,612.93-125,438.55-36,235.97

Finding the Fourth Proportional to 83,612.93, 125,438.55 and 36,235.97

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Solution

The fourth proportional to 83,612.93, 125,438.55 and 36,235.97 is: 54,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,612.93 : 125,438.55 = 36,235.97 : x
  2. Step 2: Convert to fraction form
    83,612.93/125,438.55 = 36,235.97/x
  3. Step 3: Cross multiply
    83,612.93x = 125,438.55 × 36,235.97
  4. Step 4: Simplify right side
    83,612.93x = 4,545,386,907.45
  5. Step 5: Solve for x
    x = 4,545,386,907.45/83,612.93
  6. Step 6: Final answer
    x = 54,362.25

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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.