Home / 107,038.20-160,557.30-54,550.20

Finding the Fourth Proportional to 107,038.20, 160,557.30 and 54,550.20

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Solution

The fourth proportional to 107,038.20, 160,557.30 and 54,550.20 is: 81,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,038.20 : 160,557.30 = 54,550.20 : x
  2. Step 2: Convert to fraction form
    107,038.20/160,557.30 = 54,550.20/x
  3. Step 3: Cross multiply
    107,038.20x = 160,557.30 × 54,550.20
  4. Step 4: Simplify right side
    107,038.20x = 8,758,432,826.46
  5. Step 5: Solve for x
    x = 8,758,432,826.46/107,038.20
  6. Step 6: Final answer
    x = 81,825.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.