Home / 75,041.91-112,437.86-52,808.54

Finding the Fourth Proportional to 75,041.91, 112,437.86 and 52,808.54

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Solution

The fourth proportional to 75,041.91, 112,437.86 and 52,808.54 is: 79,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,041.91 : 112,437.86 = 52,808.54 : x
  2. Step 2: Convert to fraction form
    75,041.91/112,437.86 = 52,808.54/x
  3. Step 3: Cross multiply
    75,041.91x = 112,437.86 × 52,808.54
  4. Step 4: Simplify right side
    75,041.91x = 5,937,678,401.09
  5. Step 5: Solve for x
    x = 5,937,678,401.09/75,041.91
  6. Step 6: Final answer
    x = 79,124.83

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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.