Home / 124,059.62-171,204.09-76,284.74

Finding the Fourth Proportional to 124,059.62, 171,204.09 and 76,284.74

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Solution

The fourth proportional to 124,059.62, 171,204.09 and 76,284.74 is: 105,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,059.62 : 171,204.09 = 76,284.74 : x
  2. Step 2: Convert to fraction form
    124,059.62/171,204.09 = 76,284.74/x
  3. Step 3: Cross multiply
    124,059.62x = 171,204.09 × 76,284.74
  4. Step 4: Simplify right side
    124,059.62x = 13,060,259,492.59
  5. Step 5: Solve for x
    x = 13,060,259,492.59/124,059.62
  6. Step 6: Final answer
    x = 105,274.06

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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.