Home / 112,991.81-169,479.45-53,033.94

Finding the Fourth Proportional to 112,991.81, 169,479.45 and 53,033.94

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Solution

The fourth proportional to 112,991.81, 169,479.45 and 53,033.94 is: 79,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.81 : 169,479.45 = 53,033.94 : x
  2. Step 2: Convert to fraction form
    112,991.81/169,479.45 = 53,033.94/x
  3. Step 3: Cross multiply
    112,991.81x = 169,479.45 × 53,033.94
  4. Step 4: Simplify right side
    112,991.81x = 8,988,162,982.53
  5. Step 5: Solve for x
    x = 8,988,162,982.53/112,991.81
  6. Step 6: Final answer
    x = 79,547.03

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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.