Home / 92,361.06-138,291.72-47,894.34

Finding the Fourth Proportional to 92,361.06, 138,291.72 and 47,894.34

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Solution

The fourth proportional to 92,361.06, 138,291.72 and 47,894.34 is: 71,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,361.06 : 138,291.72 = 47,894.34 : x
  2. Step 2: Convert to fraction form
    92,361.06/138,291.72 = 47,894.34/x
  3. Step 3: Cross multiply
    92,361.06x = 138,291.72 × 47,894.34
  4. Step 4: Simplify right side
    92,361.06x = 6,623,390,656.86
  5. Step 5: Solve for x
    x = 6,623,390,656.86/92,361.06
  6. Step 6: Final answer
    x = 71,711.94

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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.