Home / 109,781.08-151,495.90-62,033.40

Finding the Fourth Proportional to 109,781.08, 151,495.90 and 62,033.40

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Solution

The fourth proportional to 109,781.08, 151,495.90 and 62,033.40 is: 85,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,781.08 : 151,495.90 = 62,033.40 : x
  2. Step 2: Convert to fraction form
    109,781.08/151,495.90 = 62,033.40/x
  3. Step 3: Cross multiply
    109,781.08x = 151,495.90 × 62,033.40
  4. Step 4: Simplify right side
    109,781.08x = 9,397,805,763.06
  5. Step 5: Solve for x
    x = 9,397,805,763.06/109,781.08
  6. Step 6: Final answer
    x = 85,604.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.