Home / 86,745.02-119,702.57-48,507.72

Finding the Fourth Proportional to 86,745.02, 119,702.57 and 48,507.72

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Solution

The fourth proportional to 86,745.02, 119,702.57 and 48,507.72 is: 66,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.02 : 119,702.57 = 48,507.72 : x
  2. Step 2: Convert to fraction form
    86,745.02/119,702.57 = 48,507.72/x
  3. Step 3: Cross multiply
    86,745.02x = 119,702.57 × 48,507.72
  4. Step 4: Simplify right side
    86,745.02x = 5,806,498,870.11
  5. Step 5: Solve for x
    x = 5,806,498,870.11/86,745.02
  6. Step 6: Final answer
    x = 66,937.55

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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.