Home / 99,045.58-136,692.24-56,595.88

Finding the Fourth Proportional to 99,045.58, 136,692.24 and 56,595.88

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Solution

The fourth proportional to 99,045.58, 136,692.24 and 56,595.88 is: 78,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,045.58 : 136,692.24 = 56,595.88 : x
  2. Step 2: Convert to fraction form
    99,045.58/136,692.24 = 56,595.88/x
  3. Step 3: Cross multiply
    99,045.58x = 136,692.24 × 56,595.88
  4. Step 4: Simplify right side
    99,045.58x = 7,736,217,611.97
  5. Step 5: Solve for x
    x = 7,736,217,611.97/99,045.58
  6. Step 6: Final answer
    x = 78,107.65

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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.