Home / 74,678.28-112,039.29-22,089.17

Finding the Fourth Proportional to 74,678.28, 112,039.29 and 22,089.17

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Solution

The fourth proportional to 74,678.28, 112,039.29 and 22,089.17 is: 33,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,678.28 : 112,039.29 = 22,089.17 : x
  2. Step 2: Convert to fraction form
    74,678.28/112,039.29 = 22,089.17/x
  3. Step 3: Cross multiply
    74,678.28x = 112,039.29 × 22,089.17
  4. Step 4: Simplify right side
    74,678.28x = 2,474,854,363.29
  5. Step 5: Solve for x
    x = 2,474,854,363.29/74,678.28
  6. Step 6: Final answer
    x = 33,140.22

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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.