Home / 107,980.72-149,015.64-60,236.08

Finding the Fourth Proportional to 107,980.72, 149,015.64 and 60,236.08

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Solution

The fourth proportional to 107,980.72, 149,015.64 and 60,236.08 is: 83,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,980.72 : 149,015.64 = 60,236.08 : x
  2. Step 2: Convert to fraction form
    107,980.72/149,015.64 = 60,236.08/x
  3. Step 3: Cross multiply
    107,980.72x = 149,015.64 × 60,236.08
  4. Step 4: Simplify right side
    107,980.72x = 8,976,118,012.29
  5. Step 5: Solve for x
    x = 8,976,118,012.29/107,980.72
  6. Step 6: Final answer
    x = 83,127.04

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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.