Home / 65,216.32-97,657.09-45,197.28

Finding the Fourth Proportional to 65,216.32, 97,657.09 and 45,197.28

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Solution

The fourth proportional to 65,216.32, 97,657.09 and 45,197.28 is: 67,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.32 : 97,657.09 = 45,197.28 : x
  2. Step 2: Convert to fraction form
    65,216.32/97,657.09 = 45,197.28/x
  3. Step 3: Cross multiply
    65,216.32x = 97,657.09 × 45,197.28
  4. Step 4: Simplify right side
    65,216.32x = 4,413,834,727.72
  5. Step 5: Solve for x
    x = 4,413,834,727.72/65,216.32
  6. Step 6: Final answer
    x = 67,679.91

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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.