Home / 69,553.98-95,985.18-39,339.60

Finding the Fourth Proportional to 69,553.98, 95,985.18 and 39,339.60

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Solution

The fourth proportional to 69,553.98, 95,985.18 and 39,339.60 is: 54,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,553.98 : 95,985.18 = 39,339.60 : x
  2. Step 2: Convert to fraction form
    69,553.98/95,985.18 = 39,339.60/x
  3. Step 3: Cross multiply
    69,553.98x = 95,985.18 × 39,339.60
  4. Step 4: Simplify right side
    69,553.98x = 3,776,018,587.13
  5. Step 5: Solve for x
    x = 3,776,018,587.13/69,553.98
  6. Step 6: Final answer
    x = 54,289.04

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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.