Home / 53,201.72-73,425.02-30,547.80

Finding the Fourth Proportional to 53,201.72, 73,425.02 and 30,547.80

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Solution

The fourth proportional to 53,201.72, 73,425.02 and 30,547.80 is: 42,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,201.72 : 73,425.02 = 30,547.80 : x
  2. Step 2: Convert to fraction form
    53,201.72/73,425.02 = 30,547.80/x
  3. Step 3: Cross multiply
    53,201.72x = 73,425.02 × 30,547.80
  4. Step 4: Simplify right side
    53,201.72x = 2,242,972,673.22
  5. Step 5: Solve for x
    x = 2,242,972,673.22/53,201.72
  6. Step 6: Final answer
    x = 42,159.78

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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.