Home / 77,069.20-115,602.18-35,516.20

Finding the Fourth Proportional to 77,069.20, 115,602.18 and 35,516.20

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Solution

The fourth proportional to 77,069.20, 115,602.18 and 35,516.20 is: 53,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,069.20 : 115,602.18 = 35,516.20 : x
  2. Step 2: Convert to fraction form
    77,069.20/115,602.18 = 35,516.20/x
  3. Step 3: Cross multiply
    77,069.20x = 115,602.18 × 35,516.20
  4. Step 4: Simplify right side
    77,069.20x = 4,105,750,145.32
  5. Step 5: Solve for x
    x = 4,105,750,145.32/77,069.20
  6. Step 6: Final answer
    x = 53,273.55

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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.