Home / 53,657.78-74,047.61-29,784.74

Finding the Fourth Proportional to 53,657.78, 74,047.61 and 29,784.74

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Solution

The fourth proportional to 53,657.78, 74,047.61 and 29,784.74 is: 41,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.78 : 74,047.61 = 29,784.74 : x
  2. Step 2: Convert to fraction form
    53,657.78/74,047.61 = 29,784.74/x
  3. Step 3: Cross multiply
    53,657.78x = 74,047.61 × 29,784.74
  4. Step 4: Simplify right side
    53,657.78x = 2,205,488,811.47
  5. Step 5: Solve for x
    x = 2,205,488,811.47/53,657.78
  6. Step 6: Final answer
    x = 41,102.87

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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.