Home / 71,840.67-99,140.10-41,643.52

Finding the Fourth Proportional to 71,840.67, 99,140.10 and 41,643.52

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Solution

The fourth proportional to 71,840.67, 99,140.10 and 41,643.52 is: 57,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,840.67 : 99,140.10 = 41,643.52 : x
  2. Step 2: Convert to fraction form
    71,840.67/99,140.10 = 41,643.52/x
  3. Step 3: Cross multiply
    71,840.67x = 99,140.10 × 41,643.52
  4. Step 4: Simplify right side
    71,840.67x = 4,128,542,333.14
  5. Step 5: Solve for x
    x = 4,128,542,333.14/71,840.67
  6. Step 6: Final answer
    x = 57,468.04

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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.