Home / 89,998.29-124,205.00-51,770.21

Finding the Fourth Proportional to 89,998.29, 124,205.00 and 51,770.21

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Solution

The fourth proportional to 89,998.29, 124,205.00 and 51,770.21 is: 71,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,998.29 : 124,205.00 = 51,770.21 : x
  2. Step 2: Convert to fraction form
    89,998.29/124,205.00 = 51,770.21/x
  3. Step 3: Cross multiply
    89,998.29x = 124,205.00 × 51,770.21
  4. Step 4: Simplify right side
    89,998.29x = 6,430,118,053.17
  5. Step 5: Solve for x
    x = 6,430,118,053.17/89,998.29
  6. Step 6: Final answer
    x = 71,447.11

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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.