Home / 118,057.48-162,914.57-64,341.35

Finding the Fourth Proportional to 118,057.48, 162,914.57 and 64,341.35

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Solution

The fourth proportional to 118,057.48, 162,914.57 and 64,341.35 is: 88,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,057.48 : 162,914.57 = 64,341.35 : x
  2. Step 2: Convert to fraction form
    118,057.48/162,914.57 = 64,341.35/x
  3. Step 3: Cross multiply
    118,057.48x = 162,914.57 × 64,341.35
  4. Step 4: Simplify right side
    118,057.48x = 10,482,142,714.75
  5. Step 5: Solve for x
    x = 10,482,142,714.75/118,057.48
  6. Step 6: Final answer
    x = 88,788.47

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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.