Home / 55,920.56-77,159.75-33,265.30

Finding the Fourth Proportional to 55,920.56, 77,159.75 and 33,265.30

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Solution

The fourth proportional to 55,920.56, 77,159.75 and 33,265.30 is: 45,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.56 : 77,159.75 = 33,265.30 : x
  2. Step 2: Convert to fraction form
    55,920.56/77,159.75 = 33,265.30/x
  3. Step 3: Cross multiply
    55,920.56x = 77,159.75 × 33,265.30
  4. Step 4: Simplify right side
    55,920.56x = 2,566,741,925.50
  5. Step 5: Solve for x
    x = 2,566,741,925.50/55,920.56
  6. Step 6: Final answer
    x = 45,899.79

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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.