Home / 88,785.27-122,627.70-70,696.56

Finding the Fourth Proportional to 88,785.27, 122,627.70 and 70,696.56

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Solution

The fourth proportional to 88,785.27, 122,627.70 and 70,696.56 is: 97,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,785.27 : 122,627.70 = 70,696.56 : x
  2. Step 2: Convert to fraction form
    88,785.27/122,627.70 = 70,696.56/x
  3. Step 3: Cross multiply
    88,785.27x = 122,627.70 × 70,696.56
  4. Step 4: Simplify right side
    88,785.27x = 8,669,356,550.71
  5. Step 5: Solve for x
    x = 8,669,356,550.71/88,785.27
  6. Step 6: Final answer
    x = 97,644.09

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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.