Home / 58,472.32-80,728.68-40,561.06

Finding the Fourth Proportional to 58,472.32, 80,728.68 and 40,561.06

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Solution

The fourth proportional to 58,472.32, 80,728.68 and 40,561.06 is: 55,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.32 : 80,728.68 = 40,561.06 : x
  2. Step 2: Convert to fraction form
    58,472.32/80,728.68 = 40,561.06/x
  3. Step 3: Cross multiply
    58,472.32x = 80,728.68 × 40,561.06
  4. Step 4: Simplify right side
    58,472.32x = 3,274,440,833.20
  5. Step 5: Solve for x
    x = 3,274,440,833.20/58,472.32
  6. Step 6: Final answer
    x = 55,999.84

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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.