Home / 97,146.78-145,748.01-34,821.66

Finding the Fourth Proportional to 97,146.78, 145,748.01 and 34,821.66

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Solution

The fourth proportional to 97,146.78, 145,748.01 and 34,821.66 is: 52,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,146.78 : 145,748.01 = 34,821.66 : x
  2. Step 2: Convert to fraction form
    97,146.78/145,748.01 = 34,821.66/x
  3. Step 3: Cross multiply
    97,146.78x = 145,748.01 × 34,821.66
  4. Step 4: Simplify right side
    97,146.78x = 5,075,187,649.90
  5. Step 5: Solve for x
    x = 5,075,187,649.90/97,146.78
  6. Step 6: Final answer
    x = 52,242.47

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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.