Home / 99,299.47-137,017.98-58,998.31

Finding the Fourth Proportional to 99,299.47, 137,017.98 and 58,998.31

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Solution

The fourth proportional to 99,299.47, 137,017.98 and 58,998.31 is: 81,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.47 : 137,017.98 = 58,998.31 : x
  2. Step 2: Convert to fraction form
    99,299.47/137,017.98 = 58,998.31/x
  3. Step 3: Cross multiply
    99,299.47x = 137,017.98 × 58,998.31
  4. Step 4: Simplify right side
    99,299.47x = 8,083,829,259.61
  5. Step 5: Solve for x
    x = 8,083,829,259.61/99,299.47
  6. Step 6: Final answer
    x = 81,408.58

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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.