Home / 112,034.86-154,615.75-68,446.06

Finding the Fourth Proportional to 112,034.86, 154,615.75 and 68,446.06

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Solution

The fourth proportional to 112,034.86, 154,615.75 and 68,446.06 is: 94,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.86 : 154,615.75 = 68,446.06 : x
  2. Step 2: Convert to fraction form
    112,034.86/154,615.75 = 68,446.06/x
  3. Step 3: Cross multiply
    112,034.86x = 154,615.75 × 68,446.06
  4. Step 4: Simplify right side
    112,034.86x = 10,582,838,343.79
  5. Step 5: Solve for x
    x = 10,582,838,343.79/112,034.86
  6. Step 6: Final answer
    x = 94,460.23

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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.