Home / 124,724.21-187,086.32-45,804.29

Finding the Fourth Proportional to 124,724.21, 187,086.32 and 45,804.29

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Solution

The fourth proportional to 124,724.21, 187,086.32 and 45,804.29 is: 68,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724.21 : 187,086.32 = 45,804.29 : x
  2. Step 2: Convert to fraction form
    124,724.21/187,086.32 = 45,804.29/x
  3. Step 3: Cross multiply
    124,724.21x = 187,086.32 × 45,804.29
  4. Step 4: Simplify right side
    124,724.21x = 8,569,356,056.31
  5. Step 5: Solve for x
    x = 8,569,356,056.31/124,724.21
  6. Step 6: Final answer
    x = 68,706.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.