Home / 57,227.65-78,973.34-31,734.07

Finding the Fourth Proportional to 57,227.65, 78,973.34 and 31,734.07

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Solution

The fourth proportional to 57,227.65, 78,973.34 and 31,734.07 is: 43,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.65 : 78,973.34 = 31,734.07 : x
  2. Step 2: Convert to fraction form
    57,227.65/78,973.34 = 31,734.07/x
  3. Step 3: Cross multiply
    57,227.65x = 78,973.34 × 31,734.07
  4. Step 4: Simplify right side
    57,227.65x = 2,506,145,143.59
  5. Step 5: Solve for x
    x = 2,506,145,143.59/57,227.65
  6. Step 6: Final answer
    x = 43,792.56

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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.