Home / 71,905.08-99,255.06-43,610.16

Finding the Fourth Proportional to 71,905.08, 99,255.06 and 43,610.16

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Solution

The fourth proportional to 71,905.08, 99,255.06 and 43,610.16 is: 60,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,905.08 : 99,255.06 = 43,610.16 : x
  2. Step 2: Convert to fraction form
    71,905.08/99,255.06 = 43,610.16/x
  3. Step 3: Cross multiply
    71,905.08x = 99,255.06 × 43,610.16
  4. Step 4: Simplify right side
    71,905.08x = 4,328,529,047.41
  5. Step 5: Solve for x
    x = 4,328,529,047.41/71,905.08
  6. Step 6: Final answer
    x = 60,197.82

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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.