Home / 90,587.37-125,022.10-54,777.64

Finding the Fourth Proportional to 90,587.37, 125,022.10 and 54,777.64

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Solution

The fourth proportional to 90,587.37, 125,022.10 and 54,777.64 is: 75,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,587.37 : 125,022.10 = 54,777.64 : x
  2. Step 2: Convert to fraction form
    90,587.37/125,022.10 = 54,777.64/x
  3. Step 3: Cross multiply
    90,587.37x = 125,022.10 × 54,777.64
  4. Step 4: Simplify right side
    90,587.37x = 6,848,415,585.84
  5. Step 5: Solve for x
    x = 6,848,415,585.84/90,587.37
  6. Step 6: Final answer
    x = 75,600.11

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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.