Home / 108,011.04-161,799.49-53,812.35

Finding the Fourth Proportional to 108,011.04, 161,799.49 and 53,812.35

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Solution

The fourth proportional to 108,011.04, 161,799.49 and 53,812.35 is: 80,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,011.04 : 161,799.49 = 53,812.35 : x
  2. Step 2: Convert to fraction form
    108,011.04/161,799.49 = 53,812.35/x
  3. Step 3: Cross multiply
    108,011.04x = 161,799.49 × 53,812.35
  4. Step 4: Simplify right side
    108,011.04x = 8,706,810,852.97
  5. Step 5: Solve for x
    x = 8,706,810,852.97/108,011.04
  6. Step 6: Final answer
    x = 80,610.38

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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.