Home / 77,433.06-106,844.67-45,608.30

Finding the Fourth Proportional to 77,433.06, 106,844.67 and 45,608.30

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Solution

The fourth proportional to 77,433.06, 106,844.67 and 45,608.30 is: 62,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.06 : 106,844.67 = 45,608.30 : x
  2. Step 2: Convert to fraction form
    77,433.06/106,844.67 = 45,608.30/x
  3. Step 3: Cross multiply
    77,433.06x = 106,844.67 × 45,608.30
  4. Step 4: Simplify right side
    77,433.06x = 4,873,003,228.54
  5. Step 5: Solve for x
    x = 4,873,003,228.54/77,433.06
  6. Step 6: Final answer
    x = 62,931.82

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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.