Home / 65,415.20-98,268.60-62,758.40

Finding the Fourth Proportional to 65,415.20, 98,268.60 and 62,758.40

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Solution

The fourth proportional to 65,415.20, 98,268.60 and 62,758.40 is: 94,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,415.20 : 98,268.60 = 62,758.40 : x
  2. Step 2: Convert to fraction form
    65,415.20/98,268.60 = 62,758.40/x
  3. Step 3: Cross multiply
    65,415.20x = 98,268.60 × 62,758.40
  4. Step 4: Simplify right side
    65,415.20x = 6,167,180,106.24
  5. Step 5: Solve for x
    x = 6,167,180,106.24/65,415.20
  6. Step 6: Final answer
    x = 94,277.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.