Home / 53,189.26-73,401.52-29,315.93

Finding the Fourth Proportional to 53,189.26, 73,401.52 and 29,315.93

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Solution

The fourth proportional to 53,189.26, 73,401.52 and 29,315.93 is: 40,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.26 : 73,401.52 = 29,315.93 : x
  2. Step 2: Convert to fraction form
    53,189.26/73,401.52 = 29,315.93/x
  3. Step 3: Cross multiply
    53,189.26x = 73,401.52 × 29,315.93
  4. Step 4: Simplify right side
    53,189.26x = 2,151,833,822.21
  5. Step 5: Solve for x
    x = 2,151,833,822.21/53,189.26
  6. Step 6: Final answer
    x = 40,456.17

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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.