Home / 56,112.82-77,435.65-35,969.69

Finding the Fourth Proportional to 56,112.82, 77,435.65 and 35,969.69

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Solution

The fourth proportional to 56,112.82, 77,435.65 and 35,969.69 is: 49,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,112.82 : 77,435.65 = 35,969.69 : x
  2. Step 2: Convert to fraction form
    56,112.82/77,435.65 = 35,969.69/x
  3. Step 3: Cross multiply
    56,112.82x = 77,435.65 × 35,969.69
  4. Step 4: Simplify right side
    56,112.82x = 2,785,336,325.45
  5. Step 5: Solve for x
    x = 2,785,336,325.45/56,112.82
  6. Step 6: Final answer
    x = 49,638.15

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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.