Home / 64,888.52-89,529.20-38,016.60

Finding the Fourth Proportional to 64,888.52, 89,529.20 and 38,016.60

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Solution

The fourth proportional to 64,888.52, 89,529.20 and 38,016.60 is: 52,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.52 : 89,529.20 = 38,016.60 : x
  2. Step 2: Convert to fraction form
    64,888.52/89,529.20 = 38,016.60/x
  3. Step 3: Cross multiply
    64,888.52x = 89,529.20 × 38,016.60
  4. Step 4: Simplify right side
    64,888.52x = 3,403,595,784.72
  5. Step 5: Solve for x
    x = 3,403,595,784.72/64,888.52
  6. Step 6: Final answer
    x = 52,452.97

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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.