Home / 56,750.09-78,288.80-36,613.44

Finding the Fourth Proportional to 56,750.09, 78,288.80 and 36,613.44

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Solution

The fourth proportional to 56,750.09, 78,288.80 and 36,613.44 is: 50,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.09 : 78,288.80 = 36,613.44 : x
  2. Step 2: Convert to fraction form
    56,750.09/78,288.80 = 36,613.44/x
  3. Step 3: Cross multiply
    56,750.09x = 78,288.80 × 36,613.44
  4. Step 4: Simplify right side
    56,750.09x = 2,866,422,098.40
  5. Step 5: Solve for x
    x = 2,866,422,098.40/56,750.09
  6. Step 6: Final answer
    x = 50,509.56

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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.