Home / 78,300.37-117,393.05-24,961.67

Finding the Fourth Proportional to 78,300.37, 117,393.05 and 24,961.67

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Solution

The fourth proportional to 78,300.37, 117,393.05 and 24,961.67 is: 37,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,300.37 : 117,393.05 = 24,961.67 : x
  2. Step 2: Convert to fraction form
    78,300.37/117,393.05 = 24,961.67/x
  3. Step 3: Cross multiply
    78,300.37x = 117,393.05 × 24,961.67
  4. Step 4: Simplify right side
    78,300.37x = 2,930,326,349.65
  5. Step 5: Solve for x
    x = 2,930,326,349.65/78,300.37
  6. Step 6: Final answer
    x = 37,424.17

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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.