Home / 78,889.04-118,289.82-26,269.82

Finding the Fourth Proportional to 78,889.04, 118,289.82 and 26,269.82

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Solution

The fourth proportional to 78,889.04, 118,289.82 and 26,269.82 is: 39,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,889.04 : 118,289.82 = 26,269.82 : x
  2. Step 2: Convert to fraction form
    78,889.04/118,289.82 = 26,269.82/x
  3. Step 3: Cross multiply
    78,889.04x = 118,289.82 × 26,269.82
  4. Step 4: Simplify right side
    78,889.04x = 3,107,452,279.23
  5. Step 5: Solve for x
    x = 3,107,452,279.23/78,889.04
  6. Step 6: Final answer
    x = 39,390.16

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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.