Home / 112,518.61-168,690.33-56,329.81

Finding the Fourth Proportional to 112,518.61, 168,690.33 and 56,329.81

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Solution

The fourth proportional to 112,518.61, 168,690.33 and 56,329.81 is: 84,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.61 : 168,690.33 = 56,329.81 : x
  2. Step 2: Convert to fraction form
    112,518.61/168,690.33 = 56,329.81/x
  3. Step 3: Cross multiply
    112,518.61x = 168,690.33 × 56,329.81
  4. Step 4: Simplify right side
    112,518.61x = 9,502,293,816.01
  5. Step 5: Solve for x
    x = 9,502,293,816.01/112,518.61
  6. Step 6: Final answer
    x = 84,450.87

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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.