Home / 112,035.86-167,878.68-70,395.38

Finding the Fourth Proportional to 112,035.86, 167,878.68 and 70,395.38

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Solution

The fourth proportional to 112,035.86, 167,878.68 and 70,395.38 is: 105,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035.86 : 167,878.68 = 70,395.38 : x
  2. Step 2: Convert to fraction form
    112,035.86/167,878.68 = 70,395.38/x
  3. Step 3: Cross multiply
    112,035.86x = 167,878.68 × 70,395.38
  4. Step 4: Simplify right side
    112,035.86x = 11,817,882,998.67
  5. Step 5: Solve for x
    x = 11,817,882,998.67/112,035.86
  6. Step 6: Final answer
    x = 105,483.04

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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.