Home / 118,377.45-163,364.85-64,667.46

Finding the Fourth Proportional to 118,377.45, 163,364.85 and 64,667.46

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Solution

The fourth proportional to 118,377.45, 163,364.85 and 64,667.46 is: 89,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,377.45 : 163,364.85 = 64,667.46 : x
  2. Step 2: Convert to fraction form
    118,377.45/163,364.85 = 64,667.46/x
  3. Step 3: Cross multiply
    118,377.45x = 163,364.85 × 64,667.46
  4. Step 4: Simplify right side
    118,377.45x = 10,564,390,515.40
  5. Step 5: Solve for x
    x = 10,564,390,515.40/118,377.45
  6. Step 6: Final answer
    x = 89,243.27

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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.