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Finding the Fourth Proportional to 64,292.46, 88,664.40 and 44,113.74

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Solution

The fourth proportional to 64,292.46, 88,664.40 and 44,113.74 is: 60,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,292.46 : 88,664.40 = 44,113.74 : x
  2. Step 2: Convert to fraction form
    64,292.46/88,664.40 = 44,113.74/x
  3. Step 3: Cross multiply
    64,292.46x = 88,664.40 × 44,113.74
  4. Step 4: Simplify right side
    64,292.46x = 3,911,318,288.86
  5. Step 5: Solve for x
    x = 3,911,318,288.86/64,292.46
  6. Step 6: Final answer
    x = 60,836.35

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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.