Home / 53,390.18-73,672.02-29,513.60

Finding the Fourth Proportional to 53,390.18, 73,672.02 and 29,513.60

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Solution

The fourth proportional to 53,390.18, 73,672.02 and 29,513.60 is: 40,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.18 : 73,672.02 = 29,513.60 : x
  2. Step 2: Convert to fraction form
    53,390.18/73,672.02 = 29,513.60/x
  3. Step 3: Cross multiply
    53,390.18x = 73,672.02 × 29,513.60
  4. Step 4: Simplify right side
    53,390.18x = 2,174,326,161.11
  5. Step 5: Solve for x
    x = 2,174,326,161.11/53,390.18
  6. Step 6: Final answer
    x = 40,725.21

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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.