Home / 55,796.08-77,002.36-30,645.84

Finding the Fourth Proportional to 55,796.08, 77,002.36 and 30,645.84

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Solution

The fourth proportional to 55,796.08, 77,002.36 and 30,645.84 is: 42,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.08 : 77,002.36 = 30,645.84 : x
  2. Step 2: Convert to fraction form
    55,796.08/77,002.36 = 30,645.84/x
  3. Step 3: Cross multiply
    55,796.08x = 77,002.36 × 30,645.84
  4. Step 4: Simplify right side
    55,796.08x = 2,359,802,004.18
  5. Step 5: Solve for x
    x = 2,359,802,004.18/55,796.08
  6. Step 6: Final answer
    x = 42,293.33

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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.