Home / 77,052.60-106,340.24-45,220.82

Finding the Fourth Proportional to 77,052.60, 106,340.24 and 45,220.82

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Solution

The fourth proportional to 77,052.60, 106,340.24 and 45,220.82 is: 62,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,052.60 : 106,340.24 = 45,220.82 : x
  2. Step 2: Convert to fraction form
    77,052.60/106,340.24 = 45,220.82/x
  3. Step 3: Cross multiply
    77,052.60x = 106,340.24 × 45,220.82
  4. Step 4: Simplify right side
    77,052.60x = 4,808,792,433.15
  5. Step 5: Solve for x
    x = 4,808,792,433.15/77,052.60
  6. Step 6: Final answer
    x = 62,409.22

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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.