Home / 75,315.08-104,042.96-60,187.92

Finding the Fourth Proportional to 75,315.08, 104,042.96 and 60,187.92

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Solution

The fourth proportional to 75,315.08, 104,042.96 and 60,187.92 is: 83,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.08 : 104,042.96 = 60,187.92 : x
  2. Step 2: Convert to fraction form
    75,315.08/104,042.96 = 60,187.92/x
  3. Step 3: Cross multiply
    75,315.08x = 104,042.96 × 60,187.92
  4. Step 4: Simplify right side
    75,315.08x = 6,262,129,353.04
  5. Step 5: Solve for x
    x = 6,262,129,353.04/75,315.08
  6. Step 6: Final answer
    x = 83,145.76

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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.