Home / 53,190.81-73,406.60-29,317.43

Finding the Fourth Proportional to 53,190.81, 73,406.60 and 29,317.43

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Solution

The fourth proportional to 53,190.81, 73,406.60 and 29,317.43 is: 40,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.81 : 73,406.60 = 29,317.43 : x
  2. Step 2: Convert to fraction form
    53,190.81/73,406.60 = 29,317.43/x
  3. Step 3: Cross multiply
    53,190.81x = 73,406.60 × 29,317.43
  4. Step 4: Simplify right side
    53,190.81x = 2,152,092,343.42
  5. Step 5: Solve for x
    x = 2,152,092,343.42/53,190.81
  6. Step 6: Final answer
    x = 40,459.85

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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.