Home / 64,259.10-88,615.35-50,106.78

Finding the Fourth Proportional to 64,259.10, 88,615.35 and 50,106.78

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Solution

The fourth proportional to 64,259.10, 88,615.35 and 50,106.78 is: 69,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.10 : 88,615.35 = 50,106.78 : x
  2. Step 2: Convert to fraction form
    64,259.10/88,615.35 = 50,106.78/x
  3. Step 3: Cross multiply
    64,259.10x = 88,615.35 × 50,106.78
  4. Step 4: Simplify right side
    64,259.10x = 4,440,229,847.07
  5. Step 5: Solve for x
    x = 4,440,229,847.07/64,259.10
  6. Step 6: Final answer
    x = 69,098.85

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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.