Home / 55,867.48-77,100.90-30,716.92

Finding the Fourth Proportional to 55,867.48, 77,100.90 and 30,716.92

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Solution

The fourth proportional to 55,867.48, 77,100.90 and 30,716.92 is: 42,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.48 : 77,100.90 = 30,716.92 : x
  2. Step 2: Convert to fraction form
    55,867.48/77,100.90 = 30,716.92/x
  3. Step 3: Cross multiply
    55,867.48x = 77,100.90 × 30,716.92
  4. Step 4: Simplify right side
    55,867.48x = 2,368,302,177.23
  5. Step 5: Solve for x
    x = 2,368,302,177.23/55,867.48
  6. Step 6: Final answer
    x = 42,391.43

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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.