Home / 118,432.62-163,436.38-70,051.86

Finding the Fourth Proportional to 118,432.62, 163,436.38 and 70,051.86

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Solution

The fourth proportional to 118,432.62, 163,436.38 and 70,051.86 is: 96,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.62 : 163,436.38 = 70,051.86 : x
  2. Step 2: Convert to fraction form
    118,432.62/163,436.38 = 70,051.86/x
  3. Step 3: Cross multiply
    118,432.62x = 163,436.38 × 70,051.86
  4. Step 4: Simplify right side
    118,432.62x = 11,449,022,410.67
  5. Step 5: Solve for x
    x = 11,449,022,410.67/118,432.62
  6. Step 6: Final answer
    x = 96,671.19

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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.