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Finding the Fourth Proportional to 79,758.16, 119,496.84 and 71,070.40

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Solution

The fourth proportional to 79,758.16, 119,496.84 and 71,070.40 is: 106,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,758.16 : 119,496.84 = 71,070.40 : x
  2. Step 2: Convert to fraction form
    79,758.16/119,496.84 = 71,070.40/x
  3. Step 3: Cross multiply
    79,758.16x = 119,496.84 × 71,070.40
  4. Step 4: Simplify right side
    79,758.16x = 8,492,688,217.54
  5. Step 5: Solve for x
    x = 8,492,688,217.54/79,758.16
  6. Step 6: Final answer
    x = 106,480.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.