Home / 126,810.77-174,991.86-70,218.50

Finding the Fourth Proportional to 126,810.77, 174,991.86 and 70,218.50

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Solution

The fourth proportional to 126,810.77, 174,991.86 and 70,218.50 is: 96,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.77 : 174,991.86 = 70,218.50 : x
  2. Step 2: Convert to fraction form
    126,810.77/174,991.86 = 70,218.50/x
  3. Step 3: Cross multiply
    126,810.77x = 174,991.86 × 70,218.50
  4. Step 4: Simplify right side
    126,810.77x = 12,287,665,921.41
  5. Step 5: Solve for x
    x = 12,287,665,921.41/126,810.77
  6. Step 6: Final answer
    x = 96,897.65

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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.