Home / 87,088.82-120,187.34-48,860.48

Finding the Fourth Proportional to 87,088.82, 120,187.34 and 48,860.48

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Solution

The fourth proportional to 87,088.82, 120,187.34 and 48,860.48 is: 67,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,088.82 : 120,187.34 = 48,860.48 : x
  2. Step 2: Convert to fraction form
    87,088.82/120,187.34 = 48,860.48/x
  3. Step 3: Cross multiply
    87,088.82x = 120,187.34 × 48,860.48
  4. Step 4: Simplify right side
    87,088.82x = 5,872,411,122.32
  5. Step 5: Solve for x
    x = 5,872,411,122.32/87,088.82
  6. Step 6: Final answer
    x = 67,430.14

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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.