Home / 81,336.25-112,244.61-45,529.57

Finding the Fourth Proportional to 81,336.25, 112,244.61 and 45,529.57

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Solution

The fourth proportional to 81,336.25, 112,244.61 and 45,529.57 is: 62,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.25 : 112,244.61 = 45,529.57 : x
  2. Step 2: Convert to fraction form
    81,336.25/112,244.61 = 45,529.57/x
  3. Step 3: Cross multiply
    81,336.25x = 112,244.61 × 45,529.57
  4. Step 4: Simplify right side
    81,336.25x = 5,110,448,828.12
  5. Step 5: Solve for x
    x = 5,110,448,828.12/81,336.25
  6. Step 6: Final answer
    x = 62,831.13

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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.