Home / 55,895.25-77,109.53-33,221.53

Finding the Fourth Proportional to 55,895.25, 77,109.53 and 33,221.53

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Solution

The fourth proportional to 55,895.25, 77,109.53 and 33,221.53 is: 45,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.25 : 77,109.53 = 33,221.53 : x
  2. Step 2: Convert to fraction form
    55,895.25/77,109.53 = 33,221.53/x
  3. Step 3: Cross multiply
    55,895.25x = 77,109.53 × 33,221.53
  4. Step 4: Simplify right side
    55,895.25x = 2,561,696,564.18
  5. Step 5: Solve for x
    x = 2,561,696,564.18/55,895.25
  6. Step 6: Final answer
    x = 45,830.31

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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.