Home / 78,422.48-108,219.44-44,430.27

Finding the Fourth Proportional to 78,422.48, 108,219.44 and 44,430.27

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Solution

The fourth proportional to 78,422.48, 108,219.44 and 44,430.27 is: 61,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,422.48 : 108,219.44 = 44,430.27 : x
  2. Step 2: Convert to fraction form
    78,422.48/108,219.44 = 44,430.27/x
  3. Step 3: Cross multiply
    78,422.48x = 108,219.44 × 44,430.27
  4. Step 4: Simplify right side
    78,422.48x = 4,808,218,716.30
  5. Step 5: Solve for x
    x = 4,808,218,716.30/78,422.48
  6. Step 6: Final answer
    x = 61,311.74

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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.