Home / 52,140.09-71,950.55-29,477.73

Finding the Fourth Proportional to 52,140.09, 71,950.55 and 29,477.73

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Solution

The fourth proportional to 52,140.09, 71,950.55 and 29,477.73 is: 40,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.09 : 71,950.55 = 29,477.73 : x
  2. Step 2: Convert to fraction form
    52,140.09/71,950.55 = 29,477.73/x
  3. Step 3: Cross multiply
    52,140.09x = 71,950.55 × 29,477.73
  4. Step 4: Simplify right side
    52,140.09x = 2,120,938,738.86
  5. Step 5: Solve for x
    x = 2,120,938,738.86/52,140.09
  6. Step 6: Final answer
    x = 40,677.70

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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.