Home / 112,079.52-154,663.44-69,637.68

Finding the Fourth Proportional to 112,079.52, 154,663.44 and 69,637.68

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Solution

The fourth proportional to 112,079.52, 154,663.44 and 69,637.68 is: 96,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.52 : 154,663.44 = 69,637.68 : x
  2. Step 2: Convert to fraction form
    112,079.52/154,663.44 = 69,637.68/x
  3. Step 3: Cross multiply
    112,079.52x = 154,663.44 × 69,637.68
  4. Step 4: Simplify right side
    112,079.52x = 10,770,403,142.42
  5. Step 5: Solve for x
    x = 10,770,403,142.42/112,079.52
  6. Step 6: Final answer
    x = 96,096.09

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1.5x scale

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.