Home / 57,197.21-78,905.45-35,988.17

Finding the Fourth Proportional to 57,197.21, 78,905.45 and 35,988.17

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Solution

The fourth proportional to 57,197.21, 78,905.45 and 35,988.17 is: 49,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.21 : 78,905.45 = 35,988.17 : x
  2. Step 2: Convert to fraction form
    57,197.21/78,905.45 = 35,988.17/x
  3. Step 3: Cross multiply
    57,197.21x = 78,905.45 × 35,988.17
  4. Step 4: Simplify right side
    57,197.21x = 2,839,662,461.29
  5. Step 5: Solve for x
    x = 2,839,662,461.29/57,197.21
  6. Step 6: Final answer
    x = 49,646.87

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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.