Home / 55,951.04-77,212.35-30,800.54

Finding the Fourth Proportional to 55,951.04, 77,212.35 and 30,800.54

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Solution

The fourth proportional to 55,951.04, 77,212.35 and 30,800.54 is: 42,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.04 : 77,212.35 = 30,800.54 : x
  2. Step 2: Convert to fraction form
    55,951.04/77,212.35 = 30,800.54/x
  3. Step 3: Cross multiply
    55,951.04x = 77,212.35 × 30,800.54
  4. Step 4: Simplify right side
    55,951.04x = 2,378,181,688.61
  5. Step 5: Solve for x
    x = 2,378,181,688.61/55,951.04
  6. Step 6: Final answer
    x = 42,504.70

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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.