Home / 90,187.01-124,403.85-59,560.38

Finding the Fourth Proportional to 90,187.01, 124,403.85 and 59,560.38

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Solution

The fourth proportional to 90,187.01, 124,403.85 and 59,560.38 is: 82,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187.01 : 124,403.85 = 59,560.38 : x
  2. Step 2: Convert to fraction form
    90,187.01/124,403.85 = 59,560.38/x
  3. Step 3: Cross multiply
    90,187.01x = 124,403.85 × 59,560.38
  4. Step 4: Simplify right side
    90,187.01x = 7,409,540,579.46
  5. Step 5: Solve for x
    x = 7,409,540,579.46/90,187.01
  6. Step 6: Final answer
    x = 82,157.51

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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.