Home / 124,987.40-187,476.87-50,087.43

Finding the Fourth Proportional to 124,987.40, 187,476.87 and 50,087.43

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Solution

The fourth proportional to 124,987.40, 187,476.87 and 50,087.43 is: 75,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,987.40 : 187,476.87 = 50,087.43 : x
  2. Step 2: Convert to fraction form
    124,987.40/187,476.87 = 50,087.43/x
  3. Step 3: Cross multiply
    124,987.40x = 187,476.87 × 50,087.43
  4. Step 4: Simplify right side
    124,987.40x = 9,390,234,602.74
  5. Step 5: Solve for x
    x = 9,390,234,602.74/124,987.40
  6. Step 6: Final answer
    x = 75,129.45

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1.5x scale

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.