Home / 65,351.20-97,767.60-56,682.40

Finding the Fourth Proportional to 65,351.20, 97,767.60 and 56,682.40

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Solution

The fourth proportional to 65,351.20, 97,767.60 and 56,682.40 is: 84,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,351.20 : 97,767.60 = 56,682.40 : x
  2. Step 2: Convert to fraction form
    65,351.20/97,767.60 = 56,682.40/x
  3. Step 3: Cross multiply
    65,351.20x = 97,767.60 × 56,682.40
  4. Step 4: Simplify right side
    65,351.20x = 5,541,702,210.24
  5. Step 5: Solve for x
    x = 5,541,702,210.24/65,351.20
  6. Step 6: Final answer
    x = 84,798.78

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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.