Home / 126,543.33-174,623.40-69,943.77

Finding the Fourth Proportional to 126,543.33, 174,623.40 and 69,943.77

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Solution

The fourth proportional to 126,543.33, 174,623.40 and 69,943.77 is: 96,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,543.33 : 174,623.40 = 69,943.77 : x
  2. Step 2: Convert to fraction form
    126,543.33/174,623.40 = 69,943.77/x
  3. Step 3: Cross multiply
    126,543.33x = 174,623.40 × 69,943.77
  4. Step 4: Simplify right side
    126,543.33x = 12,213,818,926.22
  5. Step 5: Solve for x
    x = 12,213,818,926.22/126,543.33
  6. Step 6: Final answer
    x = 96,518.87

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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.