Home / 77,176.18-106,469.33-45,330.72

Finding the Fourth Proportional to 77,176.18, 106,469.33 and 45,330.72

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Solution

The fourth proportional to 77,176.18, 106,469.33 and 45,330.72 is: 62,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176.18 : 106,469.33 = 45,330.72 : x
  2. Step 2: Convert to fraction form
    77,176.18/106,469.33 = 45,330.72/x
  3. Step 3: Cross multiply
    77,176.18x = 106,469.33 × 45,330.72
  4. Step 4: Simplify right side
    77,176.18x = 4,826,331,386.82
  5. Step 5: Solve for x
    x = 4,826,331,386.82/77,176.18
  6. Step 6: Final answer
    x = 62,536.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.