Home / 112,693.16-155,516.19-62,392.16

Finding the Fourth Proportional to 112,693.16, 155,516.19 and 62,392.16

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Solution

The fourth proportional to 112,693.16, 155,516.19 and 62,392.16 is: 86,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,693.16 : 155,516.19 = 62,392.16 : x
  2. Step 2: Convert to fraction form
    112,693.16/155,516.19 = 62,392.16/x
  3. Step 3: Cross multiply
    112,693.16x = 155,516.19 × 62,392.16
  4. Step 4: Simplify right side
    112,693.16x = 9,702,990,231.49
  5. Step 5: Solve for x
    x = 9,702,990,231.49/112,693.16
  6. Step 6: Final answer
    x = 86,100.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.