Home / 78,455.52-108,259.20-44,467.92

Finding the Fourth Proportional to 78,455.52, 108,259.20 and 44,467.92

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Solution

The fourth proportional to 78,455.52, 108,259.20 and 44,467.92 is: 61,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.52 : 108,259.20 = 44,467.92 : x
  2. Step 2: Convert to fraction form
    78,455.52/108,259.20 = 44,467.92/x
  3. Step 3: Cross multiply
    78,455.52x = 108,259.20 × 44,467.92
  4. Step 4: Simplify right side
    78,455.52x = 4,814,061,444.86
  5. Step 5: Solve for x
    x = 4,814,061,444.86/78,455.52
  6. Step 6: Final answer
    x = 61,360.39

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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.