Home / 64,010.28-88,349.96-38,880.84

Finding the Fourth Proportional to 64,010.28, 88,349.96 and 38,880.84

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Solution

The fourth proportional to 64,010.28, 88,349.96 and 38,880.84 is: 53,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.28 : 88,349.96 = 38,880.84 : x
  2. Step 2: Convert to fraction form
    64,010.28/88,349.96 = 38,880.84/x
  3. Step 3: Cross multiply
    64,010.28x = 88,349.96 × 38,880.84
  4. Step 4: Simplify right side
    64,010.28x = 3,435,120,658.77
  5. Step 5: Solve for x
    x = 3,435,120,658.77/64,010.28
  6. Step 6: Final answer
    x = 53,665.14

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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.