Home / 57,228.46-78,973.86-31,734.93

Finding the Fourth Proportional to 57,228.46, 78,973.86 and 31,734.93

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Solution

The fourth proportional to 57,228.46, 78,973.86 and 31,734.93 is: 43,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.46 : 78,973.86 = 31,734.93 : x
  2. Step 2: Convert to fraction form
    57,228.46/78,973.86 = 31,734.93/x
  3. Step 3: Cross multiply
    57,228.46x = 78,973.86 × 31,734.93
  4. Step 4: Simplify right side
    57,228.46x = 2,506,229,918.93
  5. Step 5: Solve for x
    x = 2,506,229,918.93/57,228.46
  6. Step 6: Final answer
    x = 43,793.42

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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.