Home / 118,521.32-163,546.02-70,124.73

Finding the Fourth Proportional to 118,521.32, 163,546.02 and 70,124.73

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Solution

The fourth proportional to 118,521.32, 163,546.02 and 70,124.73 is: 96,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.32 : 163,546.02 = 70,124.73 : x
  2. Step 2: Convert to fraction form
    118,521.32/163,546.02 = 70,124.73/x
  3. Step 3: Cross multiply
    118,521.32x = 163,546.02 × 70,124.73
  4. Step 4: Simplify right side
    118,521.32x = 11,468,619,881.78
  5. Step 5: Solve for x
    x = 11,468,619,881.78/118,521.32
  6. Step 6: Final answer
    x = 96,764.20

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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.