Home / 55,910.87-77,155.24-30,416.58

Finding the Fourth Proportional to 55,910.87, 77,155.24 and 30,416.58

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Solution

The fourth proportional to 55,910.87, 77,155.24 and 30,416.58 is: 41,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.87 : 77,155.24 = 30,416.58 : x
  2. Step 2: Convert to fraction form
    55,910.87/77,155.24 = 30,416.58/x
  3. Step 3: Cross multiply
    55,910.87x = 77,155.24 × 30,416.58
  4. Step 4: Simplify right side
    55,910.87x = 2,346,798,712.57
  5. Step 5: Solve for x
    x = 2,346,798,712.57/55,910.87
  6. Step 6: Final answer
    x = 41,973.93

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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.