Home / 48,270.74-66,610.87-28,130.90

Finding the Fourth Proportional to 48,270.74, 66,610.87 and 28,130.90

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Solution

The fourth proportional to 48,270.74, 66,610.87 and 28,130.90 is: 38,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.74 : 66,610.87 = 28,130.90 : x
  2. Step 2: Convert to fraction form
    48,270.74/66,610.87 = 28,130.90/x
  3. Step 3: Cross multiply
    48,270.74x = 66,610.87 × 28,130.90
  4. Step 4: Simplify right side
    48,270.74x = 1,873,823,319.50
  5. Step 5: Solve for x
    x = 1,873,823,319.50/48,270.74
  6. Step 6: Final answer
    x = 38,819.03

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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.