Home / 77,717.59-116,576.38-21,557.71

Finding the Fourth Proportional to 77,717.59, 116,576.38 and 21,557.71

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Solution

The fourth proportional to 77,717.59, 116,576.38 and 21,557.71 is: 32,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,717.59 : 116,576.38 = 21,557.71 : x
  2. Step 2: Convert to fraction form
    77,717.59/116,576.38 = 21,557.71/x
  3. Step 3: Cross multiply
    77,717.59x = 116,576.38 × 21,557.71
  4. Step 4: Simplify right side
    77,717.59x = 2,513,119,792.89
  5. Step 5: Solve for x
    x = 2,513,119,792.89/77,717.59
  6. Step 6: Final answer
    x = 32,336.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.