Home / 75,681.84-104,440.94-43,869.20

Finding the Fourth Proportional to 75,681.84, 104,440.94 and 43,869.20

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Solution

The fourth proportional to 75,681.84, 104,440.94 and 43,869.20 is: 60,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.84 : 104,440.94 = 43,869.20 : x
  2. Step 2: Convert to fraction form
    75,681.84/104,440.94 = 43,869.20/x
  3. Step 3: Cross multiply
    75,681.84x = 104,440.94 × 43,869.20
  4. Step 4: Simplify right side
    75,681.84x = 4,581,740,154.77
  5. Step 5: Solve for x
    x = 4,581,740,154.77/75,681.84
  6. Step 6: Final answer
    x = 60,539.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.