Home / 118,592.35-163,656.10-64,876.75

Finding the Fourth Proportional to 118,592.35, 163,656.10 and 64,876.75

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Solution

The fourth proportional to 118,592.35, 163,656.10 and 64,876.75 is: 89,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,592.35 : 163,656.10 = 64,876.75 : x
  2. Step 2: Convert to fraction form
    118,592.35/163,656.10 = 64,876.75/x
  3. Step 3: Cross multiply
    118,592.35x = 163,656.10 × 64,876.75
  4. Step 4: Simplify right side
    118,592.35x = 10,617,475,192.70
  5. Step 5: Solve for x
    x = 10,617,475,192.70/118,592.35
  6. Step 6: Final answer
    x = 89,529.17

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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.