Home / 86,258.72-119,029.16-50,442.50

Finding the Fourth Proportional to 86,258.72, 119,029.16 and 50,442.50

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Solution

The fourth proportional to 86,258.72, 119,029.16 and 50,442.50 is: 69,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,258.72 : 119,029.16 = 50,442.50 : x
  2. Step 2: Convert to fraction form
    86,258.72/119,029.16 = 50,442.50/x
  3. Step 3: Cross multiply
    86,258.72x = 119,029.16 × 50,442.50
  4. Step 4: Simplify right side
    86,258.72x = 6,004,128,403.30
  5. Step 5: Solve for x
    x = 6,004,128,403.30/86,258.72
  6. Step 6: Final answer
    x = 69,606.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.