Home / 107,972.39-149,001.81-60,225.72

Finding the Fourth Proportional to 107,972.39, 149,001.81 and 60,225.72

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Solution

The fourth proportional to 107,972.39, 149,001.81 and 60,225.72 is: 83,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.39 : 149,001.81 = 60,225.72 : x
  2. Step 2: Convert to fraction form
    107,972.39/149,001.81 = 60,225.72/x
  3. Step 3: Cross multiply
    107,972.39x = 149,001.81 × 60,225.72
  4. Step 4: Simplify right side
    107,972.39x = 8,973,741,288.55
  5. Step 5: Solve for x
    x = 8,973,741,288.55/107,972.39
  6. Step 6: Final answer
    x = 83,111.45

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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.