Home / 51,117.12-76,688.64-26,147.52

Finding the Fourth Proportional to 51,117.12, 76,688.64 and 26,147.52

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Solution

The fourth proportional to 51,117.12, 76,688.64 and 26,147.52 is: 39,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.12 : 76,688.64 = 26,147.52 : x
  2. Step 2: Convert to fraction form
    51,117.12/76,688.64 = 26,147.52/x
  3. Step 3: Cross multiply
    51,117.12x = 76,688.64 × 26,147.52
  4. Step 4: Simplify right side
    51,117.12x = 2,005,217,748.17
  5. Step 5: Solve for x
    x = 2,005,217,748.17/51,117.12
  6. Step 6: Final answer
    x = 39,227.91

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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.