Home / 77,292.77-106,610.67-54,371.19

Finding the Fourth Proportional to 77,292.77, 106,610.67 and 54,371.19

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Solution

The fourth proportional to 77,292.77, 106,610.67 and 54,371.19 is: 74,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,292.77 : 106,610.67 = 54,371.19 : x
  2. Step 2: Convert to fraction form
    77,292.77/106,610.67 = 54,371.19/x
  3. Step 3: Cross multiply
    77,292.77x = 106,610.67 × 54,371.19
  4. Step 4: Simplify right side
    77,292.77x = 5,796,548,994.60
  5. Step 5: Solve for x
    x = 5,796,548,994.60/77,292.77
  6. Step 6: Final answer
    x = 74,994.72

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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.