Home / 79,029.84-118,555.65-32,271.78

Finding the Fourth Proportional to 79,029.84, 118,555.65 and 32,271.78

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Solution

The fourth proportional to 79,029.84, 118,555.65 and 32,271.78 is: 48,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,029.84 : 118,555.65 = 32,271.78 : x
  2. Step 2: Convert to fraction form
    79,029.84/118,555.65 = 32,271.78/x
  3. Step 3: Cross multiply
    79,029.84x = 118,555.65 × 32,271.78
  4. Step 4: Simplify right side
    79,029.84x = 3,826,001,854.56
  5. Step 5: Solve for x
    x = 3,826,001,854.56/79,029.84
  6. Step 6: Final answer
    x = 48,412.12

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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.