Home / 56,817.12-78,402.96-32,936.16

Finding the Fourth Proportional to 56,817.12, 78,402.96 and 32,936.16

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Solution

The fourth proportional to 56,817.12, 78,402.96 and 32,936.16 is: 45,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.12 : 78,402.96 = 32,936.16 : x
  2. Step 2: Convert to fraction form
    56,817.12/78,402.96 = 32,936.16/x
  3. Step 3: Cross multiply
    56,817.12x = 78,402.96 × 32,936.16
  4. Step 4: Simplify right side
    56,817.12x = 2,582,292,435.03
  5. Step 5: Solve for x
    x = 2,582,292,435.03/56,817.12
  6. Step 6: Final answer
    x = 45,449.20

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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.