Home / 126,701.09-174,835.63-75,703.66

Finding the Fourth Proportional to 126,701.09, 174,835.63 and 75,703.66

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Solution

The fourth proportional to 126,701.09, 174,835.63 and 75,703.66 is: 104,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701.09 : 174,835.63 = 75,703.66 : x
  2. Step 2: Convert to fraction form
    126,701.09/174,835.63 = 75,703.66/x
  3. Step 3: Cross multiply
    126,701.09x = 174,835.63 × 75,703.66
  4. Step 4: Simplify right side
    126,701.09x = 13,235,697,089.41
  5. Step 5: Solve for x
    x = 13,235,697,089.41/126,701.09
  6. Step 6: Final answer
    x = 104,463.96

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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.