Home / 73,032.72-100,785.08-39,498.64

Finding the Fourth Proportional to 73,032.72, 100,785.08 and 39,498.64

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Solution

The fourth proportional to 73,032.72, 100,785.08 and 39,498.64 is: 54,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,032.72 : 100,785.08 = 39,498.64 : x
  2. Step 2: Convert to fraction form
    73,032.72/100,785.08 = 39,498.64/x
  3. Step 3: Cross multiply
    73,032.72x = 100,785.08 × 39,498.64
  4. Step 4: Simplify right side
    73,032.72x = 3,980,873,592.29
  5. Step 5: Solve for x
    x = 3,980,873,592.29/73,032.72
  6. Step 6: Final answer
    x = 54,508.08

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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.