Home / 53,109.86-73,291.10-29,235.92

Finding the Fourth Proportional to 53,109.86, 73,291.10 and 29,235.92

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Solution

The fourth proportional to 53,109.86, 73,291.10 and 29,235.92 is: 40,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.86 : 73,291.10 = 29,235.92 : x
  2. Step 2: Convert to fraction form
    53,109.86/73,291.10 = 29,235.92/x
  3. Step 3: Cross multiply
    53,109.86x = 73,291.10 × 29,235.92
  4. Step 4: Simplify right side
    53,109.86x = 2,142,732,736.31
  5. Step 5: Solve for x
    x = 2,142,732,736.31/53,109.86
  6. Step 6: Final answer
    x = 40,345.29

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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.