Home / 112,053.03-154,565.19-66,701.13

Finding the Fourth Proportional to 112,053.03, 154,565.19 and 66,701.13

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Solution

The fourth proportional to 112,053.03, 154,565.19 and 66,701.13 is: 92,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,053.03 : 154,565.19 = 66,701.13 : x
  2. Step 2: Convert to fraction form
    112,053.03/154,565.19 = 66,701.13/x
  3. Step 3: Cross multiply
    112,053.03x = 154,565.19 × 66,701.13
  4. Step 4: Simplify right side
    112,053.03x = 10,309,672,831.66
  5. Step 5: Solve for x
    x = 10,309,672,831.66/112,053.03
  6. Step 6: Final answer
    x = 92,007.09

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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.