Home / 53,970.26-74,478.57-29,771.78

Finding the Fourth Proportional to 53,970.26, 74,478.57 and 29,771.78

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Solution

The fourth proportional to 53,970.26, 74,478.57 and 29,771.78 is: 41,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.26 : 74,478.57 = 29,771.78 : x
  2. Step 2: Convert to fraction form
    53,970.26/74,478.57 = 29,771.78/x
  3. Step 3: Cross multiply
    53,970.26x = 74,478.57 × 29,771.78
  4. Step 4: Simplify right side
    53,970.26x = 2,217,359,600.75
  5. Step 5: Solve for x
    x = 2,217,359,600.75/53,970.26
  6. Step 6: Final answer
    x = 41,084.84

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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.