Home / 45,370.74-68,056.22-13,781.04

Finding the Fourth Proportional to 45,370.74, 68,056.22 and 13,781.04

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Solution

The fourth proportional to 45,370.74, 68,056.22 and 13,781.04 is: 20,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.74 : 68,056.22 = 13,781.04 : x
  2. Step 2: Convert to fraction form
    45,370.74/68,056.22 = 13,781.04/x
  3. Step 3: Cross multiply
    45,370.74x = 68,056.22 × 13,781.04
  4. Step 4: Simplify right side
    45,370.74x = 937,885,421.16
  5. Step 5: Solve for x
    x = 937,885,421.16/45,370.74
  6. Step 6: Final answer
    x = 20,671.59

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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.