Home / 86,275.76-119,096.18-57,203.24

Finding the Fourth Proportional to 86,275.76, 119,096.18 and 57,203.24

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Solution

The fourth proportional to 86,275.76, 119,096.18 and 57,203.24 is: 78,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.76 : 119,096.18 = 57,203.24 : x
  2. Step 2: Convert to fraction form
    86,275.76/119,096.18 = 57,203.24/x
  3. Step 3: Cross multiply
    86,275.76x = 119,096.18 × 57,203.24
  4. Step 4: Simplify right side
    86,275.76x = 6,812,687,367.62
  5. Step 5: Solve for x
    x = 6,812,687,367.62/86,275.76
  6. Step 6: Final answer
    x = 78,964.10

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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.