Home / 86,026.31-118,712.28-47,788.34

Finding the Fourth Proportional to 86,026.31, 118,712.28 and 47,788.34

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Solution

The fourth proportional to 86,026.31, 118,712.28 and 47,788.34 is: 65,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,026.31 : 118,712.28 = 47,788.34 : x
  2. Step 2: Convert to fraction form
    86,026.31/118,712.28 = 47,788.34/x
  3. Step 3: Cross multiply
    86,026.31x = 118,712.28 × 47,788.34
  4. Step 4: Simplify right side
    86,026.31x = 5,673,062,205.25
  5. Step 5: Solve for x
    x = 5,673,062,205.25/86,026.31
  6. Step 6: Final answer
    x = 65,945.67

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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.