Home / 78,834.36-118,271.57-22,673.28

Finding the Fourth Proportional to 78,834.36, 118,271.57 and 22,673.28

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Solution

The fourth proportional to 78,834.36, 118,271.57 and 22,673.28 is: 34,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.36 : 118,271.57 = 22,673.28 : x
  2. Step 2: Convert to fraction form
    78,834.36/118,271.57 = 22,673.28/x
  3. Step 3: Cross multiply
    78,834.36x = 118,271.57 × 22,673.28
  4. Step 4: Simplify right side
    78,834.36x = 2,681,604,309.28
  5. Step 5: Solve for x
    x = 2,681,604,309.28/78,834.36
  6. Step 6: Final answer
    x = 34,015.68

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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.