Home / 45,986.54-68,644.16-39,454.70

Finding the Fourth Proportional to 45,986.54, 68,644.16 and 39,454.70

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Solution

The fourth proportional to 45,986.54, 68,644.16 and 39,454.70 is: 58,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986.54 : 68,644.16 = 39,454.70 : x
  2. Step 2: Convert to fraction form
    45,986.54/68,644.16 = 39,454.70/x
  3. Step 3: Cross multiply
    45,986.54x = 68,644.16 × 39,454.70
  4. Step 4: Simplify right side
    45,986.54x = 2,708,334,347.01
  5. Step 5: Solve for x
    x = 2,708,334,347.01/45,986.54
  6. Step 6: Final answer
    x = 58,894.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.