Home / 118,606.48-163,650.18-70,850.50

Finding the Fourth Proportional to 118,606.48, 163,650.18 and 70,850.50

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Solution

The fourth proportional to 118,606.48, 163,650.18 and 70,850.50 is: 97,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,606.48 : 163,650.18 = 70,850.50 : x
  2. Step 2: Convert to fraction form
    118,606.48/163,650.18 = 70,850.50/x
  3. Step 3: Cross multiply
    118,606.48x = 163,650.18 × 70,850.50
  4. Step 4: Simplify right side
    118,606.48x = 11,594,697,078.09
  5. Step 5: Solve for x
    x = 11,594,697,078.09/118,606.48
  6. Step 6: Final answer
    x = 97,757.70

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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.