Home / 75,123.18-112,697.73-25,208.15

Finding the Fourth Proportional to 75,123.18, 112,697.73 and 25,208.15

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Solution

The fourth proportional to 75,123.18, 112,697.73 and 25,208.15 is: 37,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.18 : 112,697.73 = 25,208.15 : x
  2. Step 2: Convert to fraction form
    75,123.18/112,697.73 = 25,208.15/x
  3. Step 3: Cross multiply
    75,123.18x = 112,697.73 × 25,208.15
  4. Step 4: Simplify right side
    75,123.18x = 2,840,900,719.01
  5. Step 5: Solve for x
    x = 2,840,900,719.01/75,123.18
  6. Step 6: Final answer
    x = 37,816.57

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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.