Home / 118,440.82-163,444.53-64,725.67

Finding the Fourth Proportional to 118,440.82, 163,444.53 and 64,725.67

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Solution

The fourth proportional to 118,440.82, 163,444.53 and 64,725.67 is: 89,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.82 : 163,444.53 = 64,725.67 : x
  2. Step 2: Convert to fraction form
    118,440.82/163,444.53 = 64,725.67/x
  3. Step 3: Cross multiply
    118,440.82x = 163,444.53 × 64,725.67
  4. Step 4: Simplify right side
    118,440.82x = 10,579,056,712.09
  5. Step 5: Solve for x
    x = 10,579,056,712.09/118,440.82
  6. Step 6: Final answer
    x = 89,319.35

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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.