Home / 82,160.20-113,380.43-44,434.45

Finding the Fourth Proportional to 82,160.20, 113,380.43 and 44,434.45

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Solution

The fourth proportional to 82,160.20, 113,380.43 and 44,434.45 is: 61,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,160.20 : 113,380.43 = 44,434.45 : x
  2. Step 2: Convert to fraction form
    82,160.20/113,380.43 = 44,434.45/x
  3. Step 3: Cross multiply
    82,160.20x = 113,380.43 × 44,434.45
  4. Step 4: Simplify right side
    82,160.20x = 5,037,997,047.81
  5. Step 5: Solve for x
    x = 5,037,997,047.81/82,160.20
  6. Step 6: Final answer
    x = 61,319.19

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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.