Home / 72,454.56-99,995.50-48,254.20

Finding the Fourth Proportional to 72,454.56, 99,995.50 and 48,254.20

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Solution

The fourth proportional to 72,454.56, 99,995.50 and 48,254.20 is: 66,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,454.56 : 99,995.50 = 48,254.20 : x
  2. Step 2: Convert to fraction form
    72,454.56/99,995.50 = 48,254.20/x
  3. Step 3: Cross multiply
    72,454.56x = 99,995.50 × 48,254.20
  4. Step 4: Simplify right side
    72,454.56x = 4,825,202,856.10
  5. Step 5: Solve for x
    x = 4,825,202,856.10/72,454.56
  6. Step 6: Final answer
    x = 66,596.26

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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.