Home / 85,741.64-118,328.38-48,015.56

Finding the Fourth Proportional to 85,741.64, 118,328.38 and 48,015.56

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Solution

The fourth proportional to 85,741.64, 118,328.38 and 48,015.56 is: 66,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.64 : 118,328.38 = 48,015.56 : x
  2. Step 2: Convert to fraction form
    85,741.64/118,328.38 = 48,015.56/x
  3. Step 3: Cross multiply
    85,741.64x = 118,328.38 × 48,015.56
  4. Step 4: Simplify right side
    85,741.64x = 5,681,603,429.59
  5. Step 5: Solve for x
    x = 5,681,603,429.59/85,741.64
  6. Step 6: Final answer
    x = 66,264.23

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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.