Home / 63,207.81-87,244.16-39,320.24

Finding the Fourth Proportional to 63,207.81, 87,244.16 and 39,320.24

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Solution

The fourth proportional to 63,207.81, 87,244.16 and 39,320.24 is: 54,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,207.81 : 87,244.16 = 39,320.24 : x
  2. Step 2: Convert to fraction form
    63,207.81/87,244.16 = 39,320.24/x
  3. Step 3: Cross multiply
    63,207.81x = 87,244.16 × 39,320.24
  4. Step 4: Simplify right side
    63,207.81x = 3,430,460,676.98
  5. Step 5: Solve for x
    x = 3,430,460,676.98/63,207.81
  6. Step 6: Final answer
    x = 54,272.73

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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.