Home / 90,995.64-125,559.18-52,747.71

Finding the Fourth Proportional to 90,995.64, 125,559.18 and 52,747.71

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Solution

The fourth proportional to 90,995.64, 125,559.18 and 52,747.71 is: 72,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.64 : 125,559.18 = 52,747.71 : x
  2. Step 2: Convert to fraction form
    90,995.64/125,559.18 = 52,747.71/x
  3. Step 3: Cross multiply
    90,995.64x = 125,559.18 × 52,747.71
  4. Step 4: Simplify right side
    90,995.64x = 6,622,959,214.48
  5. Step 5: Solve for x
    x = 6,622,959,214.48/90,995.64
  6. Step 6: Final answer
    x = 72,783.26

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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.