Home / 124,807.04-172,233.80-68,218.41

Finding the Fourth Proportional to 124,807.04, 172,233.80 and 68,218.41

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Solution

The fourth proportional to 124,807.04, 172,233.80 and 68,218.41 is: 94,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,807.04 : 172,233.80 = 68,218.41 : x
  2. Step 2: Convert to fraction form
    124,807.04/172,233.80 = 68,218.41/x
  3. Step 3: Cross multiply
    124,807.04x = 172,233.80 × 68,218.41
  4. Step 4: Simplify right side
    124,807.04x = 11,749,515,984.26
  5. Step 5: Solve for x
    x = 11,749,515,984.26/124,807.04
  6. Step 6: Final answer
    x = 94,141.45

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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.