Home / 107,275.42-148,028.07-59,530.78

Finding the Fourth Proportional to 107,275.42, 148,028.07 and 59,530.78

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Solution

The fourth proportional to 107,275.42, 148,028.07 and 59,530.78 is: 82,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,275.42 : 148,028.07 = 59,530.78 : x
  2. Step 2: Convert to fraction form
    107,275.42/148,028.07 = 59,530.78/x
  3. Step 3: Cross multiply
    107,275.42x = 148,028.07 × 59,530.78
  4. Step 4: Simplify right side
    107,275.42x = 8,812,226,468.99
  5. Step 5: Solve for x
    x = 8,812,226,468.99/107,275.42
  6. Step 6: Final answer
    x = 82,145.81

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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.