Home / 64,717.12-89,318.56-39,233.76

Finding the Fourth Proportional to 64,717.12, 89,318.56 and 39,233.76

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Solution

The fourth proportional to 64,717.12, 89,318.56 and 39,233.76 is: 54,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.12 : 89,318.56 = 39,233.76 : x
  2. Step 2: Convert to fraction form
    64,717.12/89,318.56 = 39,233.76/x
  3. Step 3: Cross multiply
    64,717.12x = 89,318.56 × 39,233.76
  4. Step 4: Simplify right side
    64,717.12x = 3,504,302,946.59
  5. Step 5: Solve for x
    x = 3,504,302,946.59/64,717.12
  6. Step 6: Final answer
    x = 54,148.01

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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.