Home / 59,661.48-89,486.40-20,213.94

Finding the Fourth Proportional to 59,661.48, 89,486.40 and 20,213.94

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Solution

The fourth proportional to 59,661.48, 89,486.40 and 20,213.94 is: 30,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,661.48 : 89,486.40 = 20,213.94 : x
  2. Step 2: Convert to fraction form
    59,661.48/89,486.40 = 20,213.94/x
  3. Step 3: Cross multiply
    59,661.48x = 89,486.40 × 20,213.94
  4. Step 4: Simplify right side
    59,661.48x = 1,808,872,720.42
  5. Step 5: Solve for x
    x = 1,808,872,720.42/59,661.48
  6. Step 6: Final answer
    x = 30,318.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.