Home / 65,985.40-98,874.26-51,029.16

Finding the Fourth Proportional to 65,985.40, 98,874.26 and 51,029.16

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Solution

The fourth proportional to 65,985.40, 98,874.26 and 51,029.16 is: 76,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.40 : 98,874.26 = 51,029.16 : x
  2. Step 2: Convert to fraction form
    65,985.40/98,874.26 = 51,029.16/x
  3. Step 3: Cross multiply
    65,985.40x = 98,874.26 × 51,029.16
  4. Step 4: Simplify right side
    65,985.40x = 5,045,470,433.42
  5. Step 5: Solve for x
    x = 5,045,470,433.42/65,985.40
  6. Step 6: Final answer
    x = 76,463.44

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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.