Home / 55,819.55-77,029.63-31,944.70

Finding the Fourth Proportional to 55,819.55, 77,029.63 and 31,944.70

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Solution

The fourth proportional to 55,819.55, 77,029.63 and 31,944.70 is: 44,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.55 : 77,029.63 = 31,944.70 : x
  2. Step 2: Convert to fraction form
    55,819.55/77,029.63 = 31,944.70/x
  3. Step 3: Cross multiply
    55,819.55x = 77,029.63 × 31,944.70
  4. Step 4: Simplify right side
    55,819.55x = 2,460,688,421.46
  5. Step 5: Solve for x
    x = 2,460,688,421.46/55,819.55
  6. Step 6: Final answer
    x = 44,082.91

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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.