Home / 83,432.69-125,148.95-33,512.79

Finding the Fourth Proportional to 83,432.69, 125,148.95 and 33,512.79

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Solution

The fourth proportional to 83,432.69, 125,148.95 and 33,512.79 is: 50,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.69 : 125,148.95 = 33,512.79 : x
  2. Step 2: Convert to fraction form
    83,432.69/125,148.95 = 33,512.79/x
  3. Step 3: Cross multiply
    83,432.69x = 125,148.95 × 33,512.79
  4. Step 4: Simplify right side
    83,432.69x = 4,194,090,312.51
  5. Step 5: Solve for x
    x = 4,194,090,312.51/83,432.69
  6. Step 6: Final answer
    x = 50,269.15

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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.