Home / 60,953.76-91,432.66-20,972.36

Finding the Fourth Proportional to 60,953.76, 91,432.66 and 20,972.36

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Solution

The fourth proportional to 60,953.76, 91,432.66 and 20,972.36 is: 31,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,953.76 : 91,432.66 = 20,972.36 : x
  2. Step 2: Convert to fraction form
    60,953.76/91,432.66 = 20,972.36/x
  3. Step 3: Cross multiply
    60,953.76x = 91,432.66 × 20,972.36
  4. Step 4: Simplify right side
    60,953.76x = 1,917,558,661.28
  5. Step 5: Solve for x
    x = 1,917,558,661.28/60,953.76
  6. Step 6: Final answer
    x = 31,459.24

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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.