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Finding the Fourth Proportional to 64,312.41, 88,751.80 and 35,632.95

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Solution

The fourth proportional to 64,312.41, 88,751.80 and 35,632.95 is: 49,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,312.41 : 88,751.80 = 35,632.95 : x
  2. Step 2: Convert to fraction form
    64,312.41/88,751.80 = 35,632.95/x
  3. Step 3: Cross multiply
    64,312.41x = 88,751.80 × 35,632.95
  4. Step 4: Simplify right side
    64,312.41x = 3,162,488,451.81
  5. Step 5: Solve for x
    x = 3,162,488,451.81/64,312.41
  6. Step 6: Final answer
    x = 49,173.84

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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.