Home / 94,158.64-129,939.78-51,718.12

Finding the Fourth Proportional to 94,158.64, 129,939.78 and 51,718.12

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Solution

The fourth proportional to 94,158.64, 129,939.78 and 51,718.12 is: 71,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,158.64 : 129,939.78 = 51,718.12 : x
  2. Step 2: Convert to fraction form
    94,158.64/129,939.78 = 51,718.12/x
  3. Step 3: Cross multiply
    94,158.64x = 129,939.78 × 51,718.12
  4. Step 4: Simplify right side
    94,158.64x = 6,720,241,134.81
  5. Step 5: Solve for x
    x = 6,720,241,134.81/94,158.64
  6. Step 6: Final answer
    x = 71,371.48

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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.