Home / 64,438.42-88,925.70-36,143.50

Finding the Fourth Proportional to 64,438.42, 88,925.70 and 36,143.50

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Solution

The fourth proportional to 64,438.42, 88,925.70 and 36,143.50 is: 49,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.42 : 88,925.70 = 36,143.50 : x
  2. Step 2: Convert to fraction form
    64,438.42/88,925.70 = 36,143.50/x
  3. Step 3: Cross multiply
    64,438.42x = 88,925.70 × 36,143.50
  4. Step 4: Simplify right side
    64,438.42x = 3,214,086,037.95
  5. Step 5: Solve for x
    x = 3,214,086,037.95/64,438.42
  6. Step 6: Final answer
    x = 49,878.41

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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.