Home / 90,546.02-124,959.38-52,307.20

Finding the Fourth Proportional to 90,546.02, 124,959.38 and 52,307.20

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Solution

The fourth proportional to 90,546.02, 124,959.38 and 52,307.20 is: 72,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.02 : 124,959.38 = 52,307.20 : x
  2. Step 2: Convert to fraction form
    90,546.02/124,959.38 = 52,307.20/x
  3. Step 3: Cross multiply
    90,546.02x = 124,959.38 × 52,307.20
  4. Step 4: Simplify right side
    90,546.02x = 6,536,275,176.20
  5. Step 5: Solve for x
    x = 6,536,275,176.20/90,546.02
  6. Step 6: Final answer
    x = 72,187.33

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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.