Home / 83,810.72-125,715.76-33,890.22

Finding the Fourth Proportional to 83,810.72, 125,715.76 and 33,890.22

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Solution

The fourth proportional to 83,810.72, 125,715.76 and 33,890.22 is: 50,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810.72 : 125,715.76 = 33,890.22 : x
  2. Step 2: Convert to fraction form
    83,810.72/125,715.76 = 33,890.22/x
  3. Step 3: Cross multiply
    83,810.72x = 125,715.76 × 33,890.22
  4. Step 4: Simplify right side
    83,810.72x = 4,260,534,679.14
  5. Step 5: Solve for x
    x = 4,260,534,679.14/83,810.72
  6. Step 6: Final answer
    x = 50,835.20

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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.