Home / 126,476.02-174,530.05-69,883.75

Finding the Fourth Proportional to 126,476.02, 174,530.05 and 69,883.75

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Solution

The fourth proportional to 126,476.02, 174,530.05 and 69,883.75 is: 96,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.02 : 174,530.05 = 69,883.75 : x
  2. Step 2: Convert to fraction form
    126,476.02/174,530.05 = 69,883.75/x
  3. Step 3: Cross multiply
    126,476.02x = 174,530.05 × 69,883.75
  4. Step 4: Simplify right side
    126,476.02x = 12,196,814,381.69
  5. Step 5: Solve for x
    x = 12,196,814,381.69/126,476.02
  6. Step 6: Final answer
    x = 96,435.79

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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.