Home / 118,639.58-163,722.63-64,924.62

Finding the Fourth Proportional to 118,639.58, 163,722.63 and 64,924.62

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Solution

The fourth proportional to 118,639.58, 163,722.63 and 64,924.62 is: 89,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,639.58 : 163,722.63 = 64,924.62 : x
  2. Step 2: Convert to fraction form
    118,639.58/163,722.63 = 64,924.62/x
  3. Step 3: Cross multiply
    118,639.58x = 163,722.63 × 64,924.62
  4. Step 4: Simplify right side
    118,639.58x = 10,629,629,538.15
  5. Step 5: Solve for x
    x = 10,629,629,538.15/118,639.58
  6. Step 6: Final answer
    x = 89,595.98

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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.