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Finding the Fourth Proportional to 61,801.51, 92,480.82 and 53,510.15

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Solution

The fourth proportional to 61,801.51, 92,480.82 and 53,510.15 is: 80,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.51 : 92,480.82 = 53,510.15 : x
  2. Step 2: Convert to fraction form
    61,801.51/92,480.82 = 53,510.15/x
  3. Step 3: Cross multiply
    61,801.51x = 92,480.82 × 53,510.15
  4. Step 4: Simplify right side
    61,801.51x = 4,948,662,550.32
  5. Step 5: Solve for x
    x = 4,948,662,550.32/61,801.51
  6. Step 6: Final answer
    x = 80,073.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.