Home / 126,607.13-174,698.41-72,881.73

Finding the Fourth Proportional to 126,607.13, 174,698.41 and 72,881.73

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Solution

The fourth proportional to 126,607.13, 174,698.41 and 72,881.73 is: 100,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607.13 : 174,698.41 = 72,881.73 : x
  2. Step 2: Convert to fraction form
    126,607.13/174,698.41 = 72,881.73/x
  3. Step 3: Cross multiply
    126,607.13x = 174,698.41 × 72,881.73
  4. Step 4: Simplify right side
    126,607.13x = 12,732,322,303.50
  5. Step 5: Solve for x
    x = 12,732,322,303.50/126,607.13
  6. Step 6: Final answer
    x = 100,565.60

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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.