Home / 124,707.84-187,079.37-40,439.69

Finding the Fourth Proportional to 124,707.84, 187,079.37 and 40,439.69

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Solution

The fourth proportional to 124,707.84, 187,079.37 and 40,439.69 is: 60,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,707.84 : 187,079.37 = 40,439.69 : x
  2. Step 2: Convert to fraction form
    124,707.84/187,079.37 = 40,439.69/x
  3. Step 3: Cross multiply
    124,707.84x = 187,079.37 × 40,439.69
  4. Step 4: Simplify right side
    124,707.84x = 7,565,431,728.20
  5. Step 5: Solve for x
    x = 7,565,431,728.20/124,707.84
  6. Step 6: Final answer
    x = 60,665.25

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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.