Home / 125,048.28-187,571.61-31,554.12

Finding the Fourth Proportional to 125,048.28, 187,571.61 and 31,554.12

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Solution

The fourth proportional to 125,048.28, 187,571.61 and 31,554.12 is: 47,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,048.28 : 187,571.61 = 31,554.12 : x
  2. Step 2: Convert to fraction form
    125,048.28/187,571.61 = 31,554.12/x
  3. Step 3: Cross multiply
    125,048.28x = 187,571.61 × 31,554.12
  4. Step 4: Simplify right side
    125,048.28x = 5,918,657,090.53
  5. Step 5: Solve for x
    x = 5,918,657,090.53/125,048.28
  6. Step 6: Final answer
    x = 47,330.98

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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.