Home / 56,776.32-85,136.16-33,091.92

Finding the Fourth Proportional to 56,776.32, 85,136.16 and 33,091.92

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Solution

The fourth proportional to 56,776.32, 85,136.16 and 33,091.92 is: 49,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776.32 : 85,136.16 = 33,091.92 : x
  2. Step 2: Convert to fraction form
    56,776.32/85,136.16 = 33,091.92/x
  3. Step 3: Cross multiply
    56,776.32x = 85,136.16 × 33,091.92
  4. Step 4: Simplify right side
    56,776.32x = 2,817,318,995.83
  5. Step 5: Solve for x
    x = 2,817,318,995.83/56,776.32
  6. Step 6: Final answer
    x = 49,621.37

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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.