Home / 111,689.47-167,293.62-52,436.35

Finding the Fourth Proportional to 111,689.47, 167,293.62 and 52,436.35

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Solution

The fourth proportional to 111,689.47, 167,293.62 and 52,436.35 is: 78,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,689.47 : 167,293.62 = 52,436.35 : x
  2. Step 2: Convert to fraction form
    111,689.47/167,293.62 = 52,436.35/x
  3. Step 3: Cross multiply
    111,689.47x = 167,293.62 × 52,436.35
  4. Step 4: Simplify right side
    111,689.47x = 8,772,265,843.53
  5. Step 5: Solve for x
    x = 8,772,265,843.53/111,689.47
  6. Step 6: Final answer
    x = 78,541.57

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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.