Home / 108,961.66-163,688.54-64,617.50

Finding the Fourth Proportional to 108,961.66, 163,688.54 and 64,617.50

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Solution

The fourth proportional to 108,961.66, 163,688.54 and 64,617.50 is: 97,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.66 : 163,688.54 = 64,617.50 : x
  2. Step 2: Convert to fraction form
    108,961.66/163,688.54 = 64,617.50/x
  3. Step 3: Cross multiply
    108,961.66x = 163,688.54 × 64,617.50
  4. Step 4: Simplify right side
    108,961.66x = 10,577,144,642.67
  5. Step 5: Solve for x
    x = 10,577,144,642.67/108,961.66
  6. Step 6: Final answer
    x = 97,072.17

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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.