Home / 71,022.17-106,431.75-52,154.21

Finding the Fourth Proportional to 71,022.17, 106,431.75 and 52,154.21

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Solution

The fourth proportional to 71,022.17, 106,431.75 and 52,154.21 is: 78,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.17 : 106,431.75 = 52,154.21 : x
  2. Step 2: Convert to fraction form
    71,022.17/106,431.75 = 52,154.21/x
  3. Step 3: Cross multiply
    71,022.17x = 106,431.75 × 52,154.21
  4. Step 4: Simplify right side
    71,022.17x = 5,550,863,308.01
  5. Step 5: Solve for x
    x = 5,550,863,308.01/71,022.17
  6. Step 6: Final answer
    x = 78,156.77

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1.5x scale

Why These Related Problems?

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