Home / 53,129.93-73,320.80-29,258.28

Finding the Fourth Proportional to 53,129.93, 73,320.80 and 29,258.28

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Solution

The fourth proportional to 53,129.93, 73,320.80 and 29,258.28 is: 40,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.93 : 73,320.80 = 29,258.28 : x
  2. Step 2: Convert to fraction form
    53,129.93/73,320.80 = 29,258.28/x
  3. Step 3: Cross multiply
    53,129.93x = 73,320.80 × 29,258.28
  4. Step 4: Simplify right side
    53,129.93x = 2,145,240,349.93
  5. Step 5: Solve for x
    x = 2,145,240,349.93/53,129.93
  6. Step 6: Final answer
    x = 40,377.25

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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.