Home / 84,135.52-116,095.08-52,292.80

Finding the Fourth Proportional to 84,135.52, 116,095.08 and 52,292.80

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Solution

The fourth proportional to 84,135.52, 116,095.08 and 52,292.80 is: 72,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,135.52 : 116,095.08 = 52,292.80 : x
  2. Step 2: Convert to fraction form
    84,135.52/116,095.08 = 52,292.80/x
  3. Step 3: Cross multiply
    84,135.52x = 116,095.08 × 52,292.80
  4. Step 4: Simplify right side
    84,135.52x = 6,070,936,799.42
  5. Step 5: Solve for x
    x = 6,070,936,799.42/84,135.52
  6. Step 6: Final answer
    x = 72,156.64

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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.