Home / 75,234.40-112,870.43-53,091.02

Finding the Fourth Proportional to 75,234.40, 112,870.43 and 53,091.02

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Solution

The fourth proportional to 75,234.40, 112,870.43 and 53,091.02 is: 79,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234.40 : 112,870.43 = 53,091.02 : x
  2. Step 2: Convert to fraction form
    75,234.40/112,870.43 = 53,091.02/x
  3. Step 3: Cross multiply
    75,234.40x = 112,870.43 × 53,091.02
  4. Step 4: Simplify right side
    75,234.40x = 5,992,406,256.54
  5. Step 5: Solve for x
    x = 5,992,406,256.54/75,234.40
  6. Step 6: Final answer
    x = 79,649.82

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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.