Home / 99,494.19-137,298.78-59,198.72

Finding the Fourth Proportional to 99,494.19, 137,298.78 and 59,198.72

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Solution

The fourth proportional to 99,494.19, 137,298.78 and 59,198.72 is: 81,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,494.19 : 137,298.78 = 59,198.72 : x
  2. Step 2: Convert to fraction form
    99,494.19/137,298.78 = 59,198.72/x
  3. Step 3: Cross multiply
    99,494.19x = 137,298.78 × 59,198.72
  4. Step 4: Simplify right side
    99,494.19x = 8,127,911,347.07
  5. Step 5: Solve for x
    x = 8,127,911,347.07/99,494.19
  6. Step 6: Final answer
    x = 81,692.32

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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.