Home / 48,381.60-66,886.38-47,938.26

Finding the Fourth Proportional to 48,381.60, 66,886.38 and 47,938.26

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Solution

The fourth proportional to 48,381.60, 66,886.38 and 47,938.26 is: 66,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.60 : 66,886.38 = 47,938.26 : x
  2. Step 2: Convert to fraction form
    48,381.60/66,886.38 = 47,938.26/x
  3. Step 3: Cross multiply
    48,381.60x = 66,886.38 × 47,938.26
  4. Step 4: Simplify right side
    48,381.60x = 3,206,416,674.90
  5. Step 5: Solve for x
    x = 3,206,416,674.90/48,381.60
  6. Step 6: Final answer
    x = 66,273.47

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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.