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Finding the Fourth Proportional to 64,219.92, 88,663.88 and 41,569.04

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Solution

The fourth proportional to 64,219.92, 88,663.88 and 41,569.04 is: 57,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.92 : 88,663.88 = 41,569.04 : x
  2. Step 2: Convert to fraction form
    64,219.92/88,663.88 = 41,569.04/x
  3. Step 3: Cross multiply
    64,219.92x = 88,663.88 × 41,569.04
  4. Step 4: Simplify right side
    64,219.92x = 3,685,672,374.28
  5. Step 5: Solve for x
    x = 3,685,672,374.28/64,219.92
  6. Step 6: Final answer
    x = 57,391.42

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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.