Home / 55,275.91-76,280.75-30,125.41

Finding the Fourth Proportional to 55,275.91, 76,280.75 and 30,125.41

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Solution

The fourth proportional to 55,275.91, 76,280.75 and 30,125.41 is: 41,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.91 : 76,280.75 = 30,125.41 : x
  2. Step 2: Convert to fraction form
    55,275.91/76,280.75 = 30,125.41/x
  3. Step 3: Cross multiply
    55,275.91x = 76,280.75 × 30,125.41
  4. Step 4: Simplify right side
    55,275.91x = 2,297,988,868.86
  5. Step 5: Solve for x
    x = 2,297,988,868.86/55,275.91
  6. Step 6: Final answer
    x = 41,573.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.