Home / 82,038.50-113,213.20-44,312.75

Finding the Fourth Proportional to 82,038.50, 113,213.20 and 44,312.75

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Solution

The fourth proportional to 82,038.50, 113,213.20 and 44,312.75 is: 61,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,038.50 : 113,213.20 = 44,312.75 : x
  2. Step 2: Convert to fraction form
    82,038.50/113,213.20 = 44,312.75/x
  3. Step 3: Cross multiply
    82,038.50x = 113,213.20 × 44,312.75
  4. Step 4: Simplify right side
    82,038.50x = 5,016,788,228.30
  5. Step 5: Solve for x
    x = 5,016,788,228.30/82,038.50
  6. Step 6: Final answer
    x = 61,151.63

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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.