Home / 48,048.12-66,360.60-47,392.56

Finding the Fourth Proportional to 48,048.12, 66,360.60 and 47,392.56

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Solution

The fourth proportional to 48,048.12, 66,360.60 and 47,392.56 is: 65,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,048.12 : 66,360.60 = 47,392.56 : x
  2. Step 2: Convert to fraction form
    48,048.12/66,360.60 = 47,392.56/x
  3. Step 3: Cross multiply
    48,048.12x = 66,360.60 × 47,392.56
  4. Step 4: Simplify right side
    48,048.12x = 3,144,998,717.14
  5. Step 5: Solve for x
    x = 3,144,998,717.14/48,048.12
  6. Step 6: Final answer
    x = 65,455.19

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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.