Home / 83,501.07-125,264.58-28,092.75

Finding the Fourth Proportional to 83,501.07, 125,264.58 and 28,092.75

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Solution

The fourth proportional to 83,501.07, 125,264.58 and 28,092.75 is: 42,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.07 : 125,264.58 = 28,092.75 : x
  2. Step 2: Convert to fraction form
    83,501.07/125,264.58 = 28,092.75/x
  3. Step 3: Cross multiply
    83,501.07x = 125,264.58 × 28,092.75
  4. Step 4: Simplify right side
    83,501.07x = 3,519,026,529.80
  5. Step 5: Solve for x
    x = 3,519,026,529.80/83,501.07
  6. Step 6: Final answer
    x = 42,143.49

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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.