Home / 57,232.77-78,979.74-31,738.73

Finding the Fourth Proportional to 57,232.77, 78,979.74 and 31,738.73

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Solution

The fourth proportional to 57,232.77, 78,979.74 and 31,738.73 is: 43,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.77 : 78,979.74 = 31,738.73 : x
  2. Step 2: Convert to fraction form
    57,232.77/78,979.74 = 31,738.73/x
  3. Step 3: Cross multiply
    57,232.77x = 78,979.74 × 31,738.73
  4. Step 4: Simplify right side
    57,232.77x = 2,506,716,248.43
  5. Step 5: Solve for x
    x = 2,506,716,248.43/57,232.77
  6. Step 6: Final answer
    x = 43,798.62

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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.