Home / 67,699.68-101,570.28-30,291.24

Finding the Fourth Proportional to 67,699.68, 101,570.28 and 30,291.24

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Solution

The fourth proportional to 67,699.68, 101,570.28 and 30,291.24 is: 45,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.68 : 101,570.28 = 30,291.24 : x
  2. Step 2: Convert to fraction form
    67,699.68/101,570.28 = 30,291.24/x
  3. Step 3: Cross multiply
    67,699.68x = 101,570.28 × 30,291.24
  4. Step 4: Simplify right side
    67,699.68x = 3,076,689,728.35
  5. Step 5: Solve for x
    x = 3,076,689,728.35/67,699.68
  6. Step 6: Final answer
    x = 45,446.15

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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.