Home / 108,767.44-163,155.58-51,812.07

Finding the Fourth Proportional to 108,767.44, 163,155.58 and 51,812.07

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Solution

The fourth proportional to 108,767.44, 163,155.58 and 51,812.07 is: 77,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,767.44 : 163,155.58 = 51,812.07 : x
  2. Step 2: Convert to fraction form
    108,767.44/163,155.58 = 51,812.07/x
  3. Step 3: Cross multiply
    108,767.44x = 163,155.58 × 51,812.07
  4. Step 4: Simplify right side
    108,767.44x = 8,453,427,798.60
  5. Step 5: Solve for x
    x = 8,453,427,798.60/108,767.44
  6. Step 6: Final answer
    x = 77,720.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.