Home / 67,501.85-101,157.68-51,645.48

Finding the Fourth Proportional to 67,501.85, 101,157.68 and 51,645.48

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Solution

The fourth proportional to 67,501.85, 101,157.68 and 51,645.48 is: 77,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.85 : 101,157.68 = 51,645.48 : x
  2. Step 2: Convert to fraction form
    67,501.85/101,157.68 = 51,645.48/x
  3. Step 3: Cross multiply
    67,501.85x = 101,157.68 × 51,645.48
  4. Step 4: Simplify right side
    67,501.85x = 5,224,336,681.06
  5. Step 5: Solve for x
    x = 5,224,336,681.06/67,501.85
  6. Step 6: Final answer
    x = 77,395.46

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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.