Home / 126,871.81-175,093.77-70,288.45

Finding the Fourth Proportional to 126,871.81, 175,093.77 and 70,288.45

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Solution

The fourth proportional to 126,871.81, 175,093.77 and 70,288.45 is: 97,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.81 : 175,093.77 = 70,288.45 : x
  2. Step 2: Convert to fraction form
    126,871.81/175,093.77 = 70,288.45/x
  3. Step 3: Cross multiply
    126,871.81x = 175,093.77 × 70,288.45
  4. Step 4: Simplify right side
    126,871.81x = 12,307,069,697.96
  5. Step 5: Solve for x
    x = 12,307,069,697.96/126,871.81
  6. Step 6: Final answer
    x = 97,003.97

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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.