Home / 56,269.71-77,643.57-32,391.77

Finding the Fourth Proportional to 56,269.71, 77,643.57 and 32,391.77

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Solution

The fourth proportional to 56,269.71, 77,643.57 and 32,391.77 is: 44,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,269.71 : 77,643.57 = 32,391.77 : x
  2. Step 2: Convert to fraction form
    56,269.71/77,643.57 = 32,391.77/x
  3. Step 3: Cross multiply
    56,269.71x = 77,643.57 × 32,391.77
  4. Step 4: Simplify right side
    56,269.71x = 2,515,012,861.78
  5. Step 5: Solve for x
    x = 2,515,012,861.78/56,269.71
  6. Step 6: Final answer
    x = 44,695.68

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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.