Home / 91,434.63-126,205.16-53,201.57

Finding the Fourth Proportional to 91,434.63, 126,205.16 and 53,201.57

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Solution

The fourth proportional to 91,434.63, 126,205.16 and 53,201.57 is: 73,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,434.63 : 126,205.16 = 53,201.57 : x
  2. Step 2: Convert to fraction form
    91,434.63/126,205.16 = 53,201.57/x
  3. Step 3: Cross multiply
    91,434.63x = 126,205.16 × 53,201.57
  4. Step 4: Simplify right side
    91,434.63x = 6,714,311,757.07
  5. Step 5: Solve for x
    x = 6,714,311,757.07/91,434.63
  6. Step 6: Final answer
    x = 73,432.92

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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.