Home / 67,803.36-101,707.47-28,306.14

Finding the Fourth Proportional to 67,803.36, 101,707.47 and 28,306.14

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Solution

The fourth proportional to 67,803.36, 101,707.47 and 28,306.14 is: 42,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,803.36 : 101,707.47 = 28,306.14 : x
  2. Step 2: Convert to fraction form
    67,803.36/101,707.47 = 28,306.14/x
  3. Step 3: Cross multiply
    67,803.36x = 101,707.47 × 28,306.14
  4. Step 4: Simplify right side
    67,803.36x = 2,878,945,884.87
  5. Step 5: Solve for x
    x = 2,878,945,884.87/67,803.36
  6. Step 6: Final answer
    x = 42,460.22

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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.