Home / 101,925.16-140,656.77-56,610.52

Finding the Fourth Proportional to 101,925.16, 140,656.77 and 56,610.52

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Solution

The fourth proportional to 101,925.16, 140,656.77 and 56,610.52 is: 78,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.16 : 140,656.77 = 56,610.52 : x
  2. Step 2: Convert to fraction form
    101,925.16/140,656.77 = 56,610.52/x
  3. Step 3: Cross multiply
    101,925.16x = 140,656.77 × 56,610.52
  4. Step 4: Simplify right side
    101,925.16x = 7,962,652,891.22
  5. Step 5: Solve for x
    x = 7,962,652,891.22/101,925.16
  6. Step 6: Final answer
    x = 78,122.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.