Home / 56,195.49-77,546.28-30,696.69

Finding the Fourth Proportional to 56,195.49, 77,546.28 and 30,696.69

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Solution

The fourth proportional to 56,195.49, 77,546.28 and 30,696.69 is: 42,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.49 : 77,546.28 = 30,696.69 : x
  2. Step 2: Convert to fraction form
    56,195.49/77,546.28 = 30,696.69/x
  3. Step 3: Cross multiply
    56,195.49x = 77,546.28 × 30,696.69
  4. Step 4: Simplify right side
    56,195.49x = 2,380,414,117.81
  5. Step 5: Solve for x
    x = 2,380,414,117.81/56,195.49
  6. Step 6: Final answer
    x = 42,359.52

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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.