Home / 104,720.49-144,516.78-59,401.53

Finding the Fourth Proportional to 104,720.49, 144,516.78 and 59,401.53

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Solution

The fourth proportional to 104,720.49, 144,516.78 and 59,401.53 is: 81,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.49 : 144,516.78 = 59,401.53 : x
  2. Step 2: Convert to fraction form
    104,720.49/144,516.78 = 59,401.53/x
  3. Step 3: Cross multiply
    104,720.49x = 144,516.78 × 59,401.53
  4. Step 4: Simplify right side
    104,720.49x = 8,584,517,842.67
  5. Step 5: Solve for x
    x = 8,584,517,842.67/104,720.49
  6. Step 6: Final answer
    x = 81,975.53

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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.