Home / 71,054.10-106,572.24-18,459.18

Finding the Fourth Proportional to 71,054.10, 106,572.24 and 18,459.18

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Solution

The fourth proportional to 71,054.10, 106,572.24 and 18,459.18 is: 27,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.10 : 106,572.24 = 18,459.18 : x
  2. Step 2: Convert to fraction form
    71,054.10/106,572.24 = 18,459.18/x
  3. Step 3: Cross multiply
    71,054.10x = 106,572.24 × 18,459.18
  4. Step 4: Simplify right side
    71,054.10x = 1,967,236,161.16
  5. Step 5: Solve for x
    x = 1,967,236,161.16/71,054.10
  6. Step 6: Final answer
    x = 27,686.46

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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.