Home / 108,606.93-162,688.68-55,905.72

Finding the Fourth Proportional to 108,606.93, 162,688.68 and 55,905.72

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Solution

The fourth proportional to 108,606.93, 162,688.68 and 55,905.72 is: 83,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,606.93 : 162,688.68 = 55,905.72 : x
  2. Step 2: Convert to fraction form
    108,606.93/162,688.68 = 55,905.72/x
  3. Step 3: Cross multiply
    108,606.93x = 162,688.68 × 55,905.72
  4. Step 4: Simplify right side
    108,606.93x = 9,095,227,791.25
  5. Step 5: Solve for x
    x = 9,095,227,791.25/108,606.93
  6. Step 6: Final answer
    x = 83,744.45

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1.5x scale

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.