Home / 90,560.08-124,973.40-50,273.20

Finding the Fourth Proportional to 90,560.08, 124,973.40 and 50,273.20

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Solution

The fourth proportional to 90,560.08, 124,973.40 and 50,273.20 is: 69,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.08 : 124,973.40 = 50,273.20 : x
  2. Step 2: Convert to fraction form
    90,560.08/124,973.40 = 50,273.20/x
  3. Step 3: Cross multiply
    90,560.08x = 124,973.40 × 50,273.20
  4. Step 4: Simplify right side
    90,560.08x = 6,282,812,732.88
  5. Step 5: Solve for x
    x = 6,282,812,732.88/90,560.08
  6. Step 6: Final answer
    x = 69,377.29

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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.