Home / 60,778.16-83,871.65-38,129.34

Finding the Fourth Proportional to 60,778.16, 83,871.65 and 38,129.34

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Solution

The fourth proportional to 60,778.16, 83,871.65 and 38,129.34 is: 52,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.16 : 83,871.65 = 38,129.34 : x
  2. Step 2: Convert to fraction form
    60,778.16/83,871.65 = 38,129.34/x
  3. Step 3: Cross multiply
    60,778.16x = 83,871.65 × 38,129.34
  4. Step 4: Simplify right side
    60,778.16x = 3,197,970,659.21
  5. Step 5: Solve for x
    x = 3,197,970,659.21/60,778.16
  6. Step 6: Final answer
    x = 52,617.10

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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.