Home / 61,690.20-85,132.51-33,395.89

Finding the Fourth Proportional to 61,690.20, 85,132.51 and 33,395.89

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Solution

The fourth proportional to 61,690.20, 85,132.51 and 33,395.89 is: 46,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,690.20 : 85,132.51 = 33,395.89 : x
  2. Step 2: Convert to fraction form
    61,690.20/85,132.51 = 33,395.89/x
  3. Step 3: Cross multiply
    61,690.20x = 85,132.51 × 33,395.89
  4. Step 4: Simplify right side
    61,690.20x = 2,843,075,695.86
  5. Step 5: Solve for x
    x = 2,843,075,695.86/61,690.20
  6. Step 6: Final answer
    x = 46,086.34

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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.