Home / 53,702.43-74,145.20-33,587.79

Finding the Fourth Proportional to 53,702.43, 74,145.20 and 33,587.79

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Solution

The fourth proportional to 53,702.43, 74,145.20 and 33,587.79 is: 46,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,702.43 : 74,145.20 = 33,587.79 : x
  2. Step 2: Convert to fraction form
    53,702.43/74,145.20 = 33,587.79/x
  3. Step 3: Cross multiply
    53,702.43x = 74,145.20 × 33,587.79
  4. Step 4: Simplify right side
    53,702.43x = 2,490,373,239.17
  5. Step 5: Solve for x
    x = 2,490,373,239.17/53,702.43
  6. Step 6: Final answer
    x = 46,373.57

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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.