Home / 104,530.50-156,772.10-48,339.84

Finding the Fourth Proportional to 104,530.50, 156,772.10 and 48,339.84

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Solution

The fourth proportional to 104,530.50, 156,772.10 and 48,339.84 is: 72,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,530.50 : 156,772.10 = 48,339.84 : x
  2. Step 2: Convert to fraction form
    104,530.50/156,772.10 = 48,339.84/x
  3. Step 3: Cross multiply
    104,530.50x = 156,772.10 × 48,339.84
  4. Step 4: Simplify right side
    104,530.50x = 7,578,338,230.46
  5. Step 5: Solve for x
    x = 7,578,338,230.46/104,530.50
  6. Step 6: Final answer
    x = 72,498.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.