Home / 83,752.20-125,433.90-57,313.80

Finding the Fourth Proportional to 83,752.20, 125,433.90 and 57,313.80

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Solution

The fourth proportional to 83,752.20, 125,433.90 and 57,313.80 is: 85,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.20 : 125,433.90 = 57,313.80 : x
  2. Step 2: Convert to fraction form
    83,752.20/125,433.90 = 57,313.80/x
  3. Step 3: Cross multiply
    83,752.20x = 125,433.90 × 57,313.80
  4. Step 4: Simplify right side
    83,752.20x = 7,189,093,457.82
  5. Step 5: Solve for x
    x = 7,189,093,457.82/83,752.20
  6. Step 6: Final answer
    x = 85,837.67

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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.