Home / 124,968.18-187,433.04-40,728.12

Finding the Fourth Proportional to 124,968.18, 187,433.04 and 40,728.12

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Solution

The fourth proportional to 124,968.18, 187,433.04 and 40,728.12 is: 61,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,968.18 : 187,433.04 = 40,728.12 : x
  2. Step 2: Convert to fraction form
    124,968.18/187,433.04 = 40,728.12/x
  3. Step 3: Cross multiply
    124,968.18x = 187,433.04 × 40,728.12
  4. Step 4: Simplify right side
    124,968.18x = 7,633,795,345.08
  5. Step 5: Solve for x
    x = 7,633,795,345.08/124,968.18
  6. Step 6: Final answer
    x = 61,085.91

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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.