Home / 109,084.77-150,548.36-66,671.55

Finding the Fourth Proportional to 109,084.77, 150,548.36 and 66,671.55

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Solution

The fourth proportional to 109,084.77, 150,548.36 and 66,671.55 is: 92,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,084.77 : 150,548.36 = 66,671.55 : x
  2. Step 2: Convert to fraction form
    109,084.77/150,548.36 = 66,671.55/x
  3. Step 3: Cross multiply
    109,084.77x = 150,548.36 × 66,671.55
  4. Step 4: Simplify right side
    109,084.77x = 10,037,292,177.80
  5. Step 5: Solve for x
    x = 10,037,292,177.80/109,084.77
  6. Step 6: Final answer
    x = 92,013.69

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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.