Home / 121,037.01-167,025.76-66,585.72

Finding the Fourth Proportional to 121,037.01, 167,025.76 and 66,585.72

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Solution

The fourth proportional to 121,037.01, 167,025.76 and 66,585.72 is: 91,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,037.01 : 167,025.76 = 66,585.72 : x
  2. Step 2: Convert to fraction form
    121,037.01/167,025.76 = 66,585.72/x
  3. Step 3: Cross multiply
    121,037.01x = 167,025.76 × 66,585.72
  4. Step 4: Simplify right side
    121,037.01x = 11,121,530,488.15
  5. Step 5: Solve for x
    x = 11,121,530,488.15/121,037.01
  6. Step 6: Final answer
    x = 91,885.37

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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.