Home / 63,615.12-87,644.44-49,225.46

Finding the Fourth Proportional to 63,615.12, 87,644.44 and 49,225.46

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Solution

The fourth proportional to 63,615.12, 87,644.44 and 49,225.46 is: 67,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.12 : 87,644.44 = 49,225.46 : x
  2. Step 2: Convert to fraction form
    63,615.12/87,644.44 = 49,225.46/x
  3. Step 3: Cross multiply
    63,615.12x = 87,644.44 × 49,225.46
  4. Step 4: Simplify right side
    63,615.12x = 4,314,337,875.44
  5. Step 5: Solve for x
    x = 4,314,337,875.44/63,615.12
  6. Step 6: Final answer
    x = 67,819.38

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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.