Home / 99,694.49-137,573.54-59,407.35

Finding the Fourth Proportional to 99,694.49, 137,573.54 and 59,407.35

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Solution

The fourth proportional to 99,694.49, 137,573.54 and 59,407.35 is: 81,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694.49 : 137,573.54 = 59,407.35 : x
  2. Step 2: Convert to fraction form
    99,694.49/137,573.54 = 59,407.35/x
  3. Step 3: Cross multiply
    99,694.49x = 137,573.54 × 59,407.35
  4. Step 4: Simplify right side
    99,694.49x = 8,172,879,144.48
  5. Step 5: Solve for x
    x = 8,172,879,144.48/99,694.49
  6. Step 6: Final answer
    x = 81,979.25

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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.