Home / 80,686.14-120,792.63-56,586.93

Finding the Fourth Proportional to 80,686.14, 120,792.63 and 56,586.93

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Solution

The fourth proportional to 80,686.14, 120,792.63 and 56,586.93 is: 84,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.14 : 120,792.63 = 56,586.93 : x
  2. Step 2: Convert to fraction form
    80,686.14/120,792.63 = 56,586.93/x
  3. Step 3: Cross multiply
    80,686.14x = 120,792.63 × 56,586.93
  4. Step 4: Simplify right side
    80,686.14x = 6,835,284,098.33
  5. Step 5: Solve for x
    x = 6,835,284,098.33/80,686.14
  6. Step 6: Final answer
    x = 84,714.48

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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.