Home / 78,597.24-117,903.54-23,209.08

Finding the Fourth Proportional to 78,597.24, 117,903.54 and 23,209.08

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Solution

The fourth proportional to 78,597.24, 117,903.54 and 23,209.08 is: 34,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,597.24 : 117,903.54 = 23,209.08 : x
  2. Step 2: Convert to fraction form
    78,597.24/117,903.54 = 23,209.08/x
  3. Step 3: Cross multiply
    78,597.24x = 117,903.54 × 23,209.08
  4. Step 4: Simplify right side
    78,597.24x = 2,736,432,692.14
  5. Step 5: Solve for x
    x = 2,736,432,692.14/78,597.24
  6. Step 6: Final answer
    x = 34,815.89

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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.