Home / 57,235.10-85,852.65-54,319.10

Finding the Fourth Proportional to 57,235.10, 85,852.65 and 54,319.10

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Solution

The fourth proportional to 57,235.10, 85,852.65 and 54,319.10 is: 81,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.10 : 85,852.65 = 54,319.10 : x
  2. Step 2: Convert to fraction form
    57,235.10/85,852.65 = 54,319.10/x
  3. Step 3: Cross multiply
    57,235.10x = 85,852.65 × 54,319.10
  4. Step 4: Simplify right side
    57,235.10x = 4,663,438,680.62
  5. Step 5: Solve for x
    x = 4,663,438,680.62/57,235.10
  6. Step 6: Final answer
    x = 81,478.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.