Home / 70,168.88-96,828-38,331.02

Finding the Fourth Proportional to 70,168.88, 96,828 and 38,331.02

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Solution

The fourth proportional to 70,168.88, 96,828 and 38,331.02 is: 52,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.88 : 96,828 = 38,331.02 : x
  2. Step 2: Convert to fraction form
    70,168.88/96,828 = 38,331.02/x
  3. Step 3: Cross multiply
    70,168.88x = 96,828 × 38,331.02
  4. Step 4: Simplify right side
    70,168.88x = 3,711,516,004.56
  5. Step 5: Solve for x
    x = 3,711,516,004.56/70,168.88
  6. Step 6: Final answer
    x = 52,894.05

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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.