Home / 118,586.39-163,652.28-64,873.67

Finding the Fourth Proportional to 118,586.39, 163,652.28 and 64,873.67

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Solution

The fourth proportional to 118,586.39, 163,652.28 and 64,873.67 is: 89,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,586.39 : 163,652.28 = 64,873.67 : x
  2. Step 2: Convert to fraction form
    118,586.39/163,652.28 = 64,873.67/x
  3. Step 3: Cross multiply
    118,586.39x = 163,652.28 × 64,873.67
  4. Step 4: Simplify right side
    118,586.39x = 10,616,724,007.47
  5. Step 5: Solve for x
    x = 10,616,724,007.47/118,586.39
  6. Step 6: Final answer
    x = 89,527.34

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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.