Home / 77,213.29-115,733.87-35,030.11

Finding the Fourth Proportional to 77,213.29, 115,733.87 and 35,030.11

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Solution

The fourth proportional to 77,213.29, 115,733.87 and 35,030.11 is: 52,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.29 : 115,733.87 = 35,030.11 : x
  2. Step 2: Convert to fraction form
    77,213.29/115,733.87 = 35,030.11/x
  3. Step 3: Cross multiply
    77,213.29x = 115,733.87 × 35,030.11
  4. Step 4: Simplify right side
    77,213.29x = 4,054,170,196.83
  5. Step 5: Solve for x
    x = 4,054,170,196.83/77,213.29
  6. Step 6: Final answer
    x = 52,506.12

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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.