Home / 65,027.53-89,741.64-38,177.83

Finding the Fourth Proportional to 65,027.53, 89,741.64 and 38,177.83

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Solution

The fourth proportional to 65,027.53, 89,741.64 and 38,177.83 is: 52,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,027.53 : 89,741.64 = 38,177.83 : x
  2. Step 2: Convert to fraction form
    65,027.53/89,741.64 = 38,177.83/x
  3. Step 3: Cross multiply
    65,027.53x = 89,741.64 × 38,177.83
  4. Step 4: Simplify right side
    65,027.53x = 3,426,141,075.84
  5. Step 5: Solve for x
    x = 3,426,141,075.84/65,027.53
  6. Step 6: Final answer
    x = 52,687.55

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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.