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Finding the Fourth Proportional to 64,377.42, 88,838.35 and 35,698.24

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Solution

The fourth proportional to 64,377.42, 88,838.35 and 35,698.24 is: 49,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377.42 : 88,838.35 = 35,698.24 : x
  2. Step 2: Convert to fraction form
    64,377.42/88,838.35 = 35,698.24/x
  3. Step 3: Cross multiply
    64,377.42x = 88,838.35 × 35,698.24
  4. Step 4: Simplify right side
    64,377.42x = 3,171,372,739.50
  5. Step 5: Solve for x
    x = 3,171,372,739.50/64,377.42
  6. Step 6: Final answer
    x = 49,262.19

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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.