Home / 53,189.95-73,402.64-29,317.54

Finding the Fourth Proportional to 53,189.95, 73,402.64 and 29,317.54

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Solution

The fourth proportional to 53,189.95, 73,402.64 and 29,317.54 is: 40,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.95 : 73,402.64 = 29,317.54 : x
  2. Step 2: Convert to fraction form
    53,189.95/73,402.64 = 29,317.54/x
  3. Step 3: Cross multiply
    53,189.95x = 73,402.64 × 29,317.54
  4. Step 4: Simplify right side
    53,189.95x = 2,151,984,614.15
  5. Step 5: Solve for x
    x = 2,151,984,614.15/53,189.95
  6. Step 6: Final answer
    x = 40,458.48

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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.