Home / 111,547.25-167,382.39-52,381.38

Finding the Fourth Proportional to 111,547.25, 167,382.39 and 52,381.38

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Solution

The fourth proportional to 111,547.25, 167,382.39 and 52,381.38 is: 78,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547.25 : 167,382.39 = 52,381.38 : x
  2. Step 2: Convert to fraction form
    111,547.25/167,382.39 = 52,381.38/x
  3. Step 3: Cross multiply
    111,547.25x = 167,382.39 × 52,381.38
  4. Step 4: Simplify right side
    111,547.25x = 8,767,721,031.71
  5. Step 5: Solve for x
    x = 8,767,721,031.71/111,547.25
  6. Step 6: Final answer
    x = 78,600.96

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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.