Home / 77,265.76-106,614.57-45,005.69

Finding the Fourth Proportional to 77,265.76, 106,614.57 and 45,005.69

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Solution

The fourth proportional to 77,265.76, 106,614.57 and 45,005.69 is: 62,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.76 : 106,614.57 = 45,005.69 : x
  2. Step 2: Convert to fraction form
    77,265.76/106,614.57 = 45,005.69/x
  3. Step 3: Cross multiply
    77,265.76x = 106,614.57 × 45,005.69
  4. Step 4: Simplify right side
    77,265.76x = 4,798,262,286.90
  5. Step 5: Solve for x
    x = 4,798,262,286.90/77,265.76
  6. Step 6: Final answer
    x = 62,100.76

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1.5x scale

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.