Home / 88,308.34-121,861.78-50,070.46

Finding the Fourth Proportional to 88,308.34, 121,861.78 and 50,070.46

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Solution

The fourth proportional to 88,308.34, 121,861.78 and 50,070.46 is: 69,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.34 : 121,861.78 = 50,070.46 : x
  2. Step 2: Convert to fraction form
    88,308.34/121,861.78 = 50,070.46/x
  3. Step 3: Cross multiply
    88,308.34x = 121,861.78 × 50,070.46
  4. Step 4: Simplify right side
    88,308.34x = 6,101,675,381.02
  5. Step 5: Solve for x
    x = 6,101,675,381.02/88,308.34
  6. Step 6: Final answer
    x = 69,095.12

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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.