Home / 126,022.40-173,834.02-75,000.95

Finding the Fourth Proportional to 126,022.40, 173,834.02 and 75,000.95

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Solution

The fourth proportional to 126,022.40, 173,834.02 and 75,000.95 is: 103,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.40 : 173,834.02 = 75,000.95 : x
  2. Step 2: Convert to fraction form
    126,022.40/173,834.02 = 75,000.95/x
  3. Step 3: Cross multiply
    126,022.40x = 173,834.02 × 75,000.95
  4. Step 4: Simplify right side
    126,022.40x = 13,037,716,642.32
  5. Step 5: Solve for x
    x = 13,037,716,642.32/126,022.40
  6. Step 6: Final answer
    x = 103,455.55

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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.