Home / 66,233.53-91,436.10-51,092.20

Finding the Fourth Proportional to 66,233.53, 91,436.10 and 51,092.20

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Solution

The fourth proportional to 66,233.53, 91,436.10 and 51,092.20 is: 70,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.53 : 91,436.10 = 51,092.20 : x
  2. Step 2: Convert to fraction form
    66,233.53/91,436.10 = 51,092.20/x
  3. Step 3: Cross multiply
    66,233.53x = 91,436.10 × 51,092.20
  4. Step 4: Simplify right side
    66,233.53x = 4,671,671,508.42
  5. Step 5: Solve for x
    x = 4,671,671,508.42/66,233.53
  6. Step 6: Final answer
    x = 70,533.33

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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.