Home / 57,011.76-78,670.98-35,754.12

Finding the Fourth Proportional to 57,011.76, 78,670.98 and 35,754.12

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Solution

The fourth proportional to 57,011.76, 78,670.98 and 35,754.12 is: 49,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.76 : 78,670.98 = 35,754.12 : x
  2. Step 2: Convert to fraction form
    57,011.76/78,670.98 = 35,754.12/x
  3. Step 3: Cross multiply
    57,011.76x = 78,670.98 × 35,754.12
  4. Step 4: Simplify right side
    57,011.76x = 2,812,811,659.44
  5. Step 5: Solve for x
    x = 2,812,811,659.44/57,011.76
  6. Step 6: Final answer
    x = 49,337.39

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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.