Home / 67,513.72-93,166.08-38,831.21

Finding the Fourth Proportional to 67,513.72, 93,166.08 and 38,831.21

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Solution

The fourth proportional to 67,513.72, 93,166.08 and 38,831.21 is: 53,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.72 : 93,166.08 = 38,831.21 : x
  2. Step 2: Convert to fraction form
    67,513.72/93,166.08 = 38,831.21/x
  3. Step 3: Cross multiply
    67,513.72x = 93,166.08 × 38,831.21
  4. Step 4: Simplify right side
    67,513.72x = 3,617,751,617.36
  5. Step 5: Solve for x
    x = 3,617,751,617.36/67,513.72
  6. Step 6: Final answer
    x = 53,585.43

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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.