Home / 106,720.56-147,273.66-58,973.94

Finding the Fourth Proportional to 106,720.56, 147,273.66 and 58,973.94

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Solution

The fourth proportional to 106,720.56, 147,273.66 and 58,973.94 is: 81,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,720.56 : 147,273.66 = 58,973.94 : x
  2. Step 2: Convert to fraction form
    106,720.56/147,273.66 = 58,973.94/x
  3. Step 3: Cross multiply
    106,720.56x = 147,273.66 × 58,973.94
  4. Step 4: Simplify right side
    106,720.56x = 8,685,307,988.42
  5. Step 5: Solve for x
    x = 8,685,307,988.42/106,720.56
  6. Step 6: Final answer
    x = 81,383.64

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1.5x scale

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.