Home / 55,917.76-77,166.68-30,424.10

Finding the Fourth Proportional to 55,917.76, 77,166.68 and 30,424.10

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Solution

The fourth proportional to 55,917.76, 77,166.68 and 30,424.10 is: 41,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.76 : 77,166.68 = 30,424.10 : x
  2. Step 2: Convert to fraction form
    55,917.76/77,166.68 = 30,424.10/x
  3. Step 3: Cross multiply
    55,917.76x = 77,166.68 × 30,424.10
  4. Step 4: Simplify right side
    55,917.76x = 2,347,726,788.99
  5. Step 5: Solve for x
    x = 2,347,726,788.99/55,917.76
  6. Step 6: Final answer
    x = 41,985.35

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1.5x scale

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.