Home / 87,683.04-131,485.68-61,400.16

Finding the Fourth Proportional to 87,683.04, 131,485.68 and 61,400.16

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Solution

The fourth proportional to 87,683.04, 131,485.68 and 61,400.16 is: 92,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683.04 : 131,485.68 = 61,400.16 : x
  2. Step 2: Convert to fraction form
    87,683.04/131,485.68 = 61,400.16/x
  3. Step 3: Cross multiply
    87,683.04x = 131,485.68 × 61,400.16
  4. Step 4: Simplify right side
    87,683.04x = 8,073,241,789.71
  5. Step 5: Solve for x
    x = 8,073,241,789.71/87,683.04
  6. Step 6: Final answer
    x = 92,073.01

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1.5x scale

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.