Home / 82,023.90-113,169.36-53,385.69

Finding the Fourth Proportional to 82,023.90, 113,169.36 and 53,385.69

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Solution

The fourth proportional to 82,023.90, 113,169.36 and 53,385.69 is: 73,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,023.90 : 113,169.36 = 53,385.69 : x
  2. Step 2: Convert to fraction form
    82,023.90/113,169.36 = 53,385.69/x
  3. Step 3: Cross multiply
    82,023.90x = 113,169.36 × 53,385.69
  4. Step 4: Simplify right side
    82,023.90x = 6,041,624,370.46
  5. Step 5: Solve for x
    x = 6,041,624,370.46/82,023.90
  6. Step 6: Final answer
    x = 73,656.88

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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.