Home / 71,180.02-98,115.30-56,048.68

Finding the Fourth Proportional to 71,180.02, 98,115.30 and 56,048.68

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Solution

The fourth proportional to 71,180.02, 98,115.30 and 56,048.68 is: 77,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.02 : 98,115.30 = 56,048.68 : x
  2. Step 2: Convert to fraction form
    71,180.02/98,115.30 = 56,048.68/x
  3. Step 3: Cross multiply
    71,180.02x = 98,115.30 × 56,048.68
  4. Step 4: Simplify right side
    71,180.02x = 5,499,233,052.80
  5. Step 5: Solve for x
    x = 5,499,233,052.80/71,180.02
  6. Step 6: Final answer
    x = 77,258.10

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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.