Home / 53,275.32-73,521-29,404.08

Finding the Fourth Proportional to 53,275.32, 73,521 and 29,404.08

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Solution

The fourth proportional to 53,275.32, 73,521 and 29,404.08 is: 40,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.32 : 73,521 = 29,404.08 : x
  2. Step 2: Convert to fraction form
    53,275.32/73,521 = 29,404.08/x
  3. Step 3: Cross multiply
    53,275.32x = 73,521 × 29,404.08
  4. Step 4: Simplify right side
    53,275.32x = 2,161,817,365.68
  5. Step 5: Solve for x
    x = 2,161,817,365.68/53,275.32
  6. Step 6: Final answer
    x = 40,578.21

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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.