Home / 113,772.49-157,004.94-62,785.69

Finding the Fourth Proportional to 113,772.49, 157,004.94 and 62,785.69

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Solution

The fourth proportional to 113,772.49, 157,004.94 and 62,785.69 is: 86,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,772.49 : 157,004.94 = 62,785.69 : x
  2. Step 2: Convert to fraction form
    113,772.49/157,004.94 = 62,785.69/x
  3. Step 3: Cross multiply
    113,772.49x = 157,004.94 × 62,785.69
  4. Step 4: Simplify right side
    113,772.49x = 9,857,663,491.31
  5. Step 5: Solve for x
    x = 9,857,663,491.31/113,772.49
  6. Step 6: Final answer
    x = 86,643.65

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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.