Home / 81,127.37-121,704.86-24,966.23

Finding the Fourth Proportional to 81,127.37, 121,704.86 and 24,966.23

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Solution

The fourth proportional to 81,127.37, 121,704.86 and 24,966.23 is: 37,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,127.37 : 121,704.86 = 24,966.23 : x
  2. Step 2: Convert to fraction form
    81,127.37/121,704.86 = 24,966.23/x
  3. Step 3: Cross multiply
    81,127.37x = 121,704.86 × 24,966.23
  4. Step 4: Simplify right side
    81,127.37x = 3,038,510,980.77
  5. Step 5: Solve for x
    x = 3,038,510,980.77/81,127.37
  6. Step 6: Final answer
    x = 37,453.59

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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.