Home / 124,038.41-171,171.79-67,449.74

Finding the Fourth Proportional to 124,038.41, 171,171.79 and 67,449.74

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Solution

The fourth proportional to 124,038.41, 171,171.79 and 67,449.74 is: 93,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,038.41 : 171,171.79 = 67,449.74 : x
  2. Step 2: Convert to fraction form
    124,038.41/171,171.79 = 67,449.74/x
  3. Step 3: Cross multiply
    124,038.41x = 171,171.79 × 67,449.74
  4. Step 4: Simplify right side
    124,038.41x = 11,545,491,706.35
  5. Step 5: Solve for x
    x = 11,545,491,706.35/124,038.41
  6. Step 6: Final answer
    x = 93,079.98

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1.5x scale

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.