Home / 51,947.22-77,901.39-40,983.06

Finding the Fourth Proportional to 51,947.22, 77,901.39 and 40,983.06

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Solution

The fourth proportional to 51,947.22, 77,901.39 and 40,983.06 is: 61,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.22 : 77,901.39 = 40,983.06 : x
  2. Step 2: Convert to fraction form
    51,947.22/77,901.39 = 40,983.06/x
  3. Step 3: Cross multiply
    51,947.22x = 77,901.39 × 40,983.06
  4. Step 4: Simplify right side
    51,947.22x = 3,192,637,340.45
  5. Step 5: Solve for x
    x = 3,192,637,340.45/51,947.22
  6. Step 6: Final answer
    x = 61,459.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.