Home / 112,502.20-168,704.70-56,320.60

Finding the Fourth Proportional to 112,502.20, 168,704.70 and 56,320.60

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Solution

The fourth proportional to 112,502.20, 168,704.70 and 56,320.60 is: 84,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,502.20 : 168,704.70 = 56,320.60 : x
  2. Step 2: Convert to fraction form
    112,502.20/168,704.70 = 56,320.60/x
  3. Step 3: Cross multiply
    112,502.20x = 168,704.70 × 56,320.60
  4. Step 4: Simplify right side
    112,502.20x = 9,501,549,926.82
  5. Step 5: Solve for x
    x = 9,501,549,926.82/112,502.20
  6. Step 6: Final answer
    x = 84,456.57

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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.