Home / 91,664.36-126,260.19-64,760.16

Finding the Fourth Proportional to 91,664.36, 126,260.19 and 64,760.16

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Solution

The fourth proportional to 91,664.36, 126,260.19 and 64,760.16 is: 89,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,664.36 : 126,260.19 = 64,760.16 : x
  2. Step 2: Convert to fraction form
    91,664.36/126,260.19 = 64,760.16/x
  3. Step 3: Cross multiply
    91,664.36x = 126,260.19 × 64,760.16
  4. Step 4: Simplify right side
    91,664.36x = 8,176,630,106.03
  5. Step 5: Solve for x
    x = 8,176,630,106.03/91,664.36
  6. Step 6: Final answer
    x = 89,201.85

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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.