Home / 56,575.64-78,010.38-36,130.83

Finding the Fourth Proportional to 56,575.64, 78,010.38 and 36,130.83

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Solution

The fourth proportional to 56,575.64, 78,010.38 and 36,130.83 is: 49,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,575.64 : 78,010.38 = 36,130.83 : x
  2. Step 2: Convert to fraction form
    56,575.64/78,010.38 = 36,130.83/x
  3. Step 3: Cross multiply
    56,575.64x = 78,010.38 × 36,130.83
  4. Step 4: Simplify right side
    56,575.64x = 2,818,579,778.02
  5. Step 5: Solve for x
    x = 2,818,579,778.02/56,575.64
  6. Step 6: Final answer
    x = 49,819.68

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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.