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Finding the Fourth Proportional to 61,363.89, 84,724.10 and 46,998.34

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Solution

The fourth proportional to 61,363.89, 84,724.10 and 46,998.34 is: 64,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.89 : 84,724.10 = 46,998.34 : x
  2. Step 2: Convert to fraction form
    61,363.89/84,724.10 = 46,998.34/x
  3. Step 3: Cross multiply
    61,363.89x = 84,724.10 × 46,998.34
  4. Step 4: Simplify right side
    61,363.89x = 3,981,892,057.99
  5. Step 5: Solve for x
    x = 3,981,892,057.99/61,363.89
  6. Step 6: Final answer
    x = 64,889.82

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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.