Home / 74,214.50-111,320.12-18,054.97

Finding the Fourth Proportional to 74,214.50, 111,320.12 and 18,054.97

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Solution

The fourth proportional to 74,214.50, 111,320.12 and 18,054.97 is: 27,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,214.50 : 111,320.12 = 18,054.97 : x
  2. Step 2: Convert to fraction form
    74,214.50/111,320.12 = 18,054.97/x
  3. Step 3: Cross multiply
    74,214.50x = 111,320.12 × 18,054.97
  4. Step 4: Simplify right side
    74,214.50x = 2,009,881,193.83
  5. Step 5: Solve for x
    x = 2,009,881,193.83/74,214.50
  6. Step 6: Final answer
    x = 27,082.06

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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.