Home / 87,213.49-120,353.06-48,973.34

Finding the Fourth Proportional to 87,213.49, 120,353.06 and 48,973.34

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Solution

The fourth proportional to 87,213.49, 120,353.06 and 48,973.34 is: 67,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,213.49 : 120,353.06 = 48,973.34 : x
  2. Step 2: Convert to fraction form
    87,213.49/120,353.06 = 48,973.34/x
  3. Step 3: Cross multiply
    87,213.49x = 120,353.06 × 48,973.34
  4. Step 4: Simplify right side
    87,213.49x = 5,894,091,750.74
  5. Step 5: Solve for x
    x = 5,894,091,750.74/87,213.49
  6. Step 6: Final answer
    x = 67,582.34

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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.