Home / 87,032.80-120,095.76-51,234.04

Finding the Fourth Proportional to 87,032.80, 120,095.76 and 51,234.04

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Solution

The fourth proportional to 87,032.80, 120,095.76 and 51,234.04 is: 70,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.80 : 120,095.76 = 51,234.04 : x
  2. Step 2: Convert to fraction form
    87,032.80/120,095.76 = 51,234.04/x
  3. Step 3: Cross multiply
    87,032.80x = 120,095.76 × 51,234.04
  4. Step 4: Simplify right side
    87,032.80x = 6,152,990,971.67
  5. Step 5: Solve for x
    x = 6,152,990,971.67/87,032.80
  6. Step 6: Final answer
    x = 70,697.38

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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.