Home / 65,997.80-99,081.18-56,697.32

Finding the Fourth Proportional to 65,997.80, 99,081.18 and 56,697.32

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Solution

The fourth proportional to 65,997.80, 99,081.18 and 56,697.32 is: 85,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.80 : 99,081.18 = 56,697.32 : x
  2. Step 2: Convert to fraction form
    65,997.80/99,081.18 = 56,697.32/x
  3. Step 3: Cross multiply
    65,997.80x = 99,081.18 × 56,697.32
  4. Step 4: Simplify right side
    65,997.80x = 5,617,637,368.44
  5. Step 5: Solve for x
    x = 5,617,637,368.44/65,997.80
  6. Step 6: Final answer
    x = 85,118.55

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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.