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Finding the Fourth Proportional to 71,045.40, 106,568.10 and 29,573.40

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Solution

The fourth proportional to 71,045.40, 106,568.10 and 29,573.40 is: 44,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.40 : 106,568.10 = 29,573.40 : x
  2. Step 2: Convert to fraction form
    71,045.40/106,568.10 = 29,573.40/x
  3. Step 3: Cross multiply
    71,045.40x = 106,568.10 × 29,573.40
  4. Step 4: Simplify right side
    71,045.40x = 3,151,581,048.54
  5. Step 5: Solve for x
    x = 3,151,581,048.54/71,045.40
  6. Step 6: Final answer
    x = 44,360.10

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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.