Home / 124,824.52-172,215.78-71,071.52

Finding the Fourth Proportional to 124,824.52, 172,215.78 and 71,071.52

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Solution

The fourth proportional to 124,824.52, 172,215.78 and 71,071.52 is: 98,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,824.52 : 172,215.78 = 71,071.52 : x
  2. Step 2: Convert to fraction form
    124,824.52/172,215.78 = 71,071.52/x
  3. Step 3: Cross multiply
    124,824.52x = 172,215.78 × 71,071.52
  4. Step 4: Simplify right side
    124,824.52x = 12,239,637,252.59
  5. Step 5: Solve for x
    x = 12,239,637,252.59/124,824.52
  6. Step 6: Final answer
    x = 98,054.75

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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.