Home / 77,569.74-107,046.63-43,579.67

Finding the Fourth Proportional to 77,569.74, 107,046.63 and 43,579.67

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Solution

The fourth proportional to 77,569.74, 107,046.63 and 43,579.67 is: 60,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,569.74 : 107,046.63 = 43,579.67 : x
  2. Step 2: Convert to fraction form
    77,569.74/107,046.63 = 43,579.67/x
  3. Step 3: Cross multiply
    77,569.74x = 107,046.63 × 43,579.67
  4. Step 4: Simplify right side
    77,569.74x = 4,665,056,274.78
  5. Step 5: Solve for x
    x = 4,665,056,274.78/77,569.74
  6. Step 6: Final answer
    x = 60,140.16

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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.