Home / 77,552.40-106,995.05-50,710.62

Finding the Fourth Proportional to 77,552.40, 106,995.05 and 50,710.62

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Solution

The fourth proportional to 77,552.40, 106,995.05 and 50,710.62 is: 69,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552.40 : 106,995.05 = 50,710.62 : x
  2. Step 2: Convert to fraction form
    77,552.40/106,995.05 = 50,710.62/x
  3. Step 3: Cross multiply
    77,552.40x = 106,995.05 × 50,710.62
  4. Step 4: Simplify right side
    77,552.40x = 5,425,785,449.21
  5. Step 5: Solve for x
    x = 5,425,785,449.21/77,552.40
  6. Step 6: Final answer
    x = 69,962.83

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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.