Home / 86,826.24-130,180.32-40,053.60

Finding the Fourth Proportional to 86,826.24, 130,180.32 and 40,053.60

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Solution

The fourth proportional to 86,826.24, 130,180.32 and 40,053.60 is: 60,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.24 : 130,180.32 = 40,053.60 : x
  2. Step 2: Convert to fraction form
    86,826.24/130,180.32 = 40,053.60/x
  3. Step 3: Cross multiply
    86,826.24x = 130,180.32 × 40,053.60
  4. Step 4: Simplify right side
    86,826.24x = 5,214,190,465.15
  5. Step 5: Solve for x
    x = 5,214,190,465.15/86,826.24
  6. Step 6: Final answer
    x = 60,053.16

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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.