Home / 53,013.15-73,159.59-29,140.22

Finding the Fourth Proportional to 53,013.15, 73,159.59 and 29,140.22

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Solution

The fourth proportional to 53,013.15, 73,159.59 and 29,140.22 is: 40,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.15 : 73,159.59 = 29,140.22 : x
  2. Step 2: Convert to fraction form
    53,013.15/73,159.59 = 29,140.22/x
  3. Step 3: Cross multiply
    53,013.15x = 73,159.59 × 29,140.22
  4. Step 4: Simplify right side
    53,013.15x = 2,131,886,181.91
  5. Step 5: Solve for x
    x = 2,131,886,181.91/53,013.15
  6. Step 6: Final answer
    x = 40,214.29

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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.