Home / 86,839.64-119,845.13-48,603.02

Finding the Fourth Proportional to 86,839.64, 119,845.13 and 48,603.02

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Solution

The fourth proportional to 86,839.64, 119,845.13 and 48,603.02 is: 67,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,839.64 : 119,845.13 = 48,603.02 : x
  2. Step 2: Convert to fraction form
    86,839.64/119,845.13 = 48,603.02/x
  3. Step 3: Cross multiply
    86,839.64x = 119,845.13 × 48,603.02
  4. Step 4: Simplify right side
    86,839.64x = 5,824,834,408.05
  5. Step 5: Solve for x
    x = 5,824,834,408.05/86,839.64
  6. Step 6: Final answer
    x = 67,075.76

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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.