Home / 78,024.26-116,966.12-28,069.23

Finding the Fourth Proportional to 78,024.26, 116,966.12 and 28,069.23

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Solution

The fourth proportional to 78,024.26, 116,966.12 and 28,069.23 is: 42,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,024.26 : 116,966.12 = 28,069.23 : x
  2. Step 2: Convert to fraction form
    78,024.26/116,966.12 = 28,069.23/x
  3. Step 3: Cross multiply
    78,024.26x = 116,966.12 × 28,069.23
  4. Step 4: Simplify right side
    78,024.26x = 3,283,148,784.14
  5. Step 5: Solve for x
    x = 3,283,148,784.14/78,024.26
  6. Step 6: Final answer
    x = 42,078.57

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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.