Home / 109,968.57-164,962.48-31,082.80

Finding the Fourth Proportional to 109,968.57, 164,962.48 and 31,082.80

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Solution

The fourth proportional to 109,968.57, 164,962.48 and 31,082.80 is: 46,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.57 : 164,962.48 = 31,082.80 : x
  2. Step 2: Convert to fraction form
    109,968.57/164,962.48 = 31,082.80/x
  3. Step 3: Cross multiply
    109,968.57x = 164,962.48 × 31,082.80
  4. Step 4: Simplify right side
    109,968.57x = 5,127,495,617.93
  5. Step 5: Solve for x
    x = 5,127,495,617.93/109,968.57
  6. Step 6: Final answer
    x = 46,626.92

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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.