Home / 57,266.98-79,029.28-42,901.36

Finding the Fourth Proportional to 57,266.98, 79,029.28 and 42,901.36

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Solution

The fourth proportional to 57,266.98, 79,029.28 and 42,901.36 is: 59,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.98 : 79,029.28 = 42,901.36 : x
  2. Step 2: Convert to fraction form
    57,266.98/79,029.28 = 42,901.36/x
  3. Step 3: Cross multiply
    57,266.98x = 79,029.28 × 42,901.36
  4. Step 4: Simplify right side
    57,266.98x = 3,390,463,591.82
  5. Step 5: Solve for x
    x = 3,390,463,591.82/57,266.98
  6. Step 6: Final answer
    x = 59,204.51

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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.