Home / 53,784.80-74,222.64-29,910.08

Finding the Fourth Proportional to 53,784.80, 74,222.64 and 29,910.08

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Solution

The fourth proportional to 53,784.80, 74,222.64 and 29,910.08 is: 41,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.80 : 74,222.64 = 29,910.08 : x
  2. Step 2: Convert to fraction form
    53,784.80/74,222.64 = 29,910.08/x
  3. Step 3: Cross multiply
    53,784.80x = 74,222.64 × 29,910.08
  4. Step 4: Simplify right side
    53,784.80x = 2,220,005,100.21
  5. Step 5: Solve for x
    x = 2,220,005,100.21/53,784.80
  6. Step 6: Final answer
    x = 41,275.70

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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.