Home / 92,279.37-138,437.55-33,119.67

Finding the Fourth Proportional to 92,279.37, 138,437.55 and 33,119.67

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Solution

The fourth proportional to 92,279.37, 138,437.55 and 33,119.67 is: 49,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279.37 : 138,437.55 = 33,119.67 : x
  2. Step 2: Convert to fraction form
    92,279.37/138,437.55 = 33,119.67/x
  3. Step 3: Cross multiply
    92,279.37x = 138,437.55 × 33,119.67
  4. Step 4: Simplify right side
    92,279.37x = 4,585,005,971.61
  5. Step 5: Solve for x
    x = 4,585,005,971.61/92,279.37
  6. Step 6: Final answer
    x = 49,686.14

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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.