Home / 112,783.04-169,155.65-52,817.79

Finding the Fourth Proportional to 112,783.04, 169,155.65 and 52,817.79

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Solution

The fourth proportional to 112,783.04, 169,155.65 and 52,817.79 is: 79,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,783.04 : 169,155.65 = 52,817.79 : x
  2. Step 2: Convert to fraction form
    112,783.04/169,155.65 = 52,817.79/x
  3. Step 3: Cross multiply
    112,783.04x = 169,155.65 × 52,817.79
  4. Step 4: Simplify right side
    112,783.04x = 8,934,427,599.01
  5. Step 5: Solve for x
    x = 8,934,427,599.01/112,783.04
  6. Step 6: Final answer
    x = 79,217.83

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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.