Home / 74,791.59-112,154.51-28,011.66

Finding the Fourth Proportional to 74,791.59, 112,154.51 and 28,011.66

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Solution

The fourth proportional to 74,791.59, 112,154.51 and 28,011.66 is: 42,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.59 : 112,154.51 = 28,011.66 : x
  2. Step 2: Convert to fraction form
    74,791.59/112,154.51 = 28,011.66/x
  3. Step 3: Cross multiply
    74,791.59x = 112,154.51 × 28,011.66
  4. Step 4: Simplify right side
    74,791.59x = 3,141,633,861.53
  5. Step 5: Solve for x
    x = 3,141,633,861.53/74,791.59
  6. Step 6: Final answer
    x = 42,005.18

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1.5x scale

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.