Home / 77,010.03-106,216.97-48,688.38

Finding the Fourth Proportional to 77,010.03, 106,216.97 and 48,688.38

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Solution

The fourth proportional to 77,010.03, 106,216.97 and 48,688.38 is: 67,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,010.03 : 106,216.97 = 48,688.38 : x
  2. Step 2: Convert to fraction form
    77,010.03/106,216.97 = 48,688.38/x
  3. Step 3: Cross multiply
    77,010.03x = 106,216.97 × 48,688.38
  4. Step 4: Simplify right side
    77,010.03x = 5,171,531,788.44
  5. Step 5: Solve for x
    x = 5,171,531,788.44/77,010.03
  6. Step 6: Final answer
    x = 67,154.01

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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.