Home / 124,964.09-187,362.63-68,830.41

Finding the Fourth Proportional to 124,964.09, 187,362.63 and 68,830.41

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Solution

The fourth proportional to 124,964.09, 187,362.63 and 68,830.41 is: 103,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,964.09 : 187,362.63 = 68,830.41 : x
  2. Step 2: Convert to fraction form
    124,964.09/187,362.63 = 68,830.41/x
  3. Step 3: Cross multiply
    124,964.09x = 187,362.63 × 68,830.41
  4. Step 4: Simplify right side
    124,964.09x = 12,896,246,641.58
  5. Step 5: Solve for x
    x = 12,896,246,641.58/124,964.09
  6. Step 6: Final answer
    x = 103,199.62

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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.