Home / 62,623.64-86,429.52-38,758

Finding the Fourth Proportional to 62,623.64, 86,429.52 and 38,758

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Solution

The fourth proportional to 62,623.64, 86,429.52 and 38,758 is: 53,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,623.64 : 86,429.52 = 38,758 : x
  2. Step 2: Convert to fraction form
    62,623.64/86,429.52 = 38,758/x
  3. Step 3: Cross multiply
    62,623.64x = 86,429.52 × 38,758
  4. Step 4: Simplify right side
    62,623.64x = 3,349,835,336.16
  5. Step 5: Solve for x
    x = 3,349,835,336.16/62,623.64
  6. Step 6: Final answer
    x = 53,491.55

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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.