Home / 88,210.01-121,749.08-54,247.73

Finding the Fourth Proportional to 88,210.01, 121,749.08 and 54,247.73

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Solution

The fourth proportional to 88,210.01, 121,749.08 and 54,247.73 is: 74,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210.01 : 121,749.08 = 54,247.73 : x
  2. Step 2: Convert to fraction form
    88,210.01/121,749.08 = 54,247.73/x
  3. Step 3: Cross multiply
    88,210.01x = 121,749.08 × 54,247.73
  4. Step 4: Simplify right side
    88,210.01x = 6,604,610,339.60
  5. Step 5: Solve for x
    x = 6,604,610,339.60/88,210.01
  6. Step 6: Final answer
    x = 74,873.70

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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.