Home / 56,518.86-78,002.26-36,119.72

Finding the Fourth Proportional to 56,518.86, 78,002.26 and 36,119.72

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Solution

The fourth proportional to 56,518.86, 78,002.26 and 36,119.72 is: 49,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.86 : 78,002.26 = 36,119.72 : x
  2. Step 2: Convert to fraction form
    56,518.86/78,002.26 = 36,119.72/x
  3. Step 3: Cross multiply
    56,518.86x = 78,002.26 × 36,119.72
  4. Step 4: Simplify right side
    56,518.86x = 2,817,419,790.57
  5. Step 5: Solve for x
    x = 2,817,419,790.57/56,518.86
  6. Step 6: Final answer
    x = 49,849.20

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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.