Home / 109,052.16-150,492-61,305.60

Finding the Fourth Proportional to 109,052.16, 150,492 and 61,305.60

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Solution

The fourth proportional to 109,052.16, 150,492 and 61,305.60 is: 84,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,052.16 : 150,492 = 61,305.60 : x
  2. Step 2: Convert to fraction form
    109,052.16/150,492 = 61,305.60/x
  3. Step 3: Cross multiply
    109,052.16x = 150,492 × 61,305.60
  4. Step 4: Simplify right side
    109,052.16x = 9,226,002,355.20
  5. Step 5: Solve for x
    x = 9,226,002,355.20/109,052.16
  6. Step 6: Final answer
    x = 84,601.74

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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.