Home / 53,128.08-73,315.08-29,254.68

Finding the Fourth Proportional to 53,128.08, 73,315.08 and 29,254.68

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Solution

The fourth proportional to 53,128.08, 73,315.08 and 29,254.68 is: 40,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.08 : 73,315.08 = 29,254.68 : x
  2. Step 2: Convert to fraction form
    53,128.08/73,315.08 = 29,254.68/x
  3. Step 3: Cross multiply
    53,128.08x = 73,315.08 × 29,254.68
  4. Step 4: Simplify right side
    53,128.08x = 2,144,809,204.57
  5. Step 5: Solve for x
    x = 2,144,809,204.57/53,128.08
  6. Step 6: Final answer
    x = 40,370.54

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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.