Home / 77,065.20-115,596.18-35,512.20

Finding the Fourth Proportional to 77,065.20, 115,596.18 and 35,512.20

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Solution

The fourth proportional to 77,065.20, 115,596.18 and 35,512.20 is: 53,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,065.20 : 115,596.18 = 35,512.20 : x
  2. Step 2: Convert to fraction form
    77,065.20/115,596.18 = 35,512.20/x
  3. Step 3: Cross multiply
    77,065.20x = 115,596.18 × 35,512.20
  4. Step 4: Simplify right side
    77,065.20x = 4,105,074,663.40
  5. Step 5: Solve for x
    x = 4,105,074,663.40/77,065.20
  6. Step 6: Final answer
    x = 53,267.55

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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.