Home / 90,785.15-125,274.71-52,537.10

Finding the Fourth Proportional to 90,785.15, 125,274.71 and 52,537.10

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Solution

The fourth proportional to 90,785.15, 125,274.71 and 52,537.10 is: 72,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,785.15 : 125,274.71 = 52,537.10 : x
  2. Step 2: Convert to fraction form
    90,785.15/125,274.71 = 52,537.10/x
  3. Step 3: Cross multiply
    90,785.15x = 125,274.71 × 52,537.10
  4. Step 4: Simplify right side
    90,785.15x = 6,581,569,077.68
  5. Step 5: Solve for x
    x = 6,581,569,077.68/90,785.15
  6. Step 6: Final answer
    x = 72,496.10

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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.