Home / 48,207.08-66,508.64-31,410.92

Finding the Fourth Proportional to 48,207.08, 66,508.64 and 31,410.92

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Solution

The fourth proportional to 48,207.08, 66,508.64 and 31,410.92 is: 43,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,207.08 : 66,508.64 = 31,410.92 : x
  2. Step 2: Convert to fraction form
    48,207.08/66,508.64 = 31,410.92/x
  3. Step 3: Cross multiply
    48,207.08x = 66,508.64 × 31,410.92
  4. Step 4: Simplify right side
    48,207.08x = 2,089,097,570.35
  5. Step 5: Solve for x
    x = 2,089,097,570.35/48,207.08
  6. Step 6: Final answer
    x = 43,335.91

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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.