Home / 77,336.48-106,719.26-45,499.20

Finding the Fourth Proportional to 77,336.48, 106,719.26 and 45,499.20

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Solution

The fourth proportional to 77,336.48, 106,719.26 and 45,499.20 is: 62,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.48 : 106,719.26 = 45,499.20 : x
  2. Step 2: Convert to fraction form
    77,336.48/106,719.26 = 45,499.20/x
  3. Step 3: Cross multiply
    77,336.48x = 106,719.26 × 45,499.20
  4. Step 4: Simplify right side
    77,336.48x = 4,855,640,954.59
  5. Step 5: Solve for x
    x = 4,855,640,954.59/77,336.48
  6. Step 6: Final answer
    x = 62,785.91

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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.