Home / 86,746.28-130,030.80-49,227.11

Finding the Fourth Proportional to 86,746.28, 130,030.80 and 49,227.11

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Solution

The fourth proportional to 86,746.28, 130,030.80 and 49,227.11 is: 73,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,746.28 : 130,030.80 = 49,227.11 : x
  2. Step 2: Convert to fraction form
    86,746.28/130,030.80 = 49,227.11/x
  3. Step 3: Cross multiply
    86,746.28x = 130,030.80 × 49,227.11
  4. Step 4: Simplify right side
    86,746.28x = 6,401,040,494.99
  5. Step 5: Solve for x
    x = 6,401,040,494.99/86,746.28
  6. Step 6: Final answer
    x = 73,790.37

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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.