Home / 63,113.52-87,094.26-39,234.72

Finding the Fourth Proportional to 63,113.52, 87,094.26 and 39,234.72

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Solution

The fourth proportional to 63,113.52, 87,094.26 and 39,234.72 is: 54,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,113.52 : 87,094.26 = 39,234.72 : x
  2. Step 2: Convert to fraction form
    63,113.52/87,094.26 = 39,234.72/x
  3. Step 3: Cross multiply
    63,113.52x = 87,094.26 × 39,234.72
  4. Step 4: Simplify right side
    63,113.52x = 3,417,118,904.71
  5. Step 5: Solve for x
    x = 3,417,118,904.71/63,113.52
  6. Step 6: Final answer
    x = 54,142.42

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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.