Home / 55,363.47-82,920.35-25,718.93

Finding the Fourth Proportional to 55,363.47, 82,920.35 and 25,718.93

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Solution

The fourth proportional to 55,363.47, 82,920.35 and 25,718.93 is: 38,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.47 : 82,920.35 = 25,718.93 : x
  2. Step 2: Convert to fraction form
    55,363.47/82,920.35 = 25,718.93/x
  3. Step 3: Cross multiply
    55,363.47x = 82,920.35 × 25,718.93
  4. Step 4: Simplify right side
    55,363.47x = 2,132,622,134.03
  5. Step 5: Solve for x
    x = 2,132,622,134.03/55,363.47
  6. Step 6: Final answer
    x = 38,520.38

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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.