Home / 89,987.55-134,897.19-40,040.52

Finding the Fourth Proportional to 89,987.55, 134,897.19 and 40,040.52

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Solution

The fourth proportional to 89,987.55, 134,897.19 and 40,040.52 is: 60,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,987.55 : 134,897.19 = 40,040.52 : x
  2. Step 2: Convert to fraction form
    89,987.55/134,897.19 = 40,040.52/x
  3. Step 3: Cross multiply
    89,987.55x = 134,897.19 × 40,040.52
  4. Step 4: Simplify right side
    89,987.55x = 5,401,353,634.14
  5. Step 5: Solve for x
    x = 5,401,353,634.14/89,987.55
  6. Step 6: Final answer
    x = 60,023.34

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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.