Home / 53,681.87-74,081.15-29,808.61

Finding the Fourth Proportional to 53,681.87, 74,081.15 and 29,808.61

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Solution

The fourth proportional to 53,681.87, 74,081.15 and 29,808.61 is: 41,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.87 : 74,081.15 = 29,808.61 : x
  2. Step 2: Convert to fraction form
    53,681.87/74,081.15 = 29,808.61/x
  3. Step 3: Cross multiply
    53,681.87x = 74,081.15 × 29,808.61
  4. Step 4: Simplify right side
    53,681.87x = 2,208,255,886.24
  5. Step 5: Solve for x
    x = 2,208,255,886.24/53,681.87
  6. Step 6: Final answer
    x = 41,135.97

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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.