Home / 70,221.12-105,348.15-48,044.94

Finding the Fourth Proportional to 70,221.12, 105,348.15 and 48,044.94

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Solution

The fourth proportional to 70,221.12, 105,348.15 and 48,044.94 is: 72,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,221.12 : 105,348.15 = 48,044.94 : x
  2. Step 2: Convert to fraction form
    70,221.12/105,348.15 = 48,044.94/x
  3. Step 3: Cross multiply
    70,221.12x = 105,348.15 × 48,044.94
  4. Step 4: Simplify right side
    70,221.12x = 5,061,445,545.86
  5. Step 5: Solve for x
    x = 5,061,445,545.86/70,221.12
  6. Step 6: Final answer
    x = 72,078.68

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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.