Home / 125,088.49-187,643.06-40,846.78

Finding the Fourth Proportional to 125,088.49, 187,643.06 and 40,846.78

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Solution

The fourth proportional to 125,088.49, 187,643.06 and 40,846.78 is: 61,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,088.49 : 187,643.06 = 40,846.78 : x
  2. Step 2: Convert to fraction form
    125,088.49/187,643.06 = 40,846.78/x
  3. Step 3: Cross multiply
    125,088.49x = 187,643.06 × 40,846.78
  4. Step 4: Simplify right side
    125,088.49x = 7,664,613,647.90
  5. Step 5: Solve for x
    x = 7,664,613,647.90/125,088.49
  6. Step 6: Final answer
    x = 61,273.53

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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.