Home / 61,015.79-84,200.91-34,158.17

Finding the Fourth Proportional to 61,015.79, 84,200.91 and 34,158.17

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Solution

The fourth proportional to 61,015.79, 84,200.91 and 34,158.17 is: 47,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015.79 : 84,200.91 = 34,158.17 : x
  2. Step 2: Convert to fraction form
    61,015.79/84,200.91 = 34,158.17/x
  3. Step 3: Cross multiply
    61,015.79x = 84,200.91 × 34,158.17
  4. Step 4: Simplify right side
    61,015.79x = 2,876,148,997.93
  5. Step 5: Solve for x
    x = 2,876,148,997.93/61,015.79
  6. Step 6: Final answer
    x = 47,137.78

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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.