Home / 86,636.05-129,953.98-32,610.82

Finding the Fourth Proportional to 86,636.05, 129,953.98 and 32,610.82

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Solution

The fourth proportional to 86,636.05, 129,953.98 and 32,610.82 is: 48,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.05 : 129,953.98 = 32,610.82 : x
  2. Step 2: Convert to fraction form
    86,636.05/129,953.98 = 32,610.82/x
  3. Step 3: Cross multiply
    86,636.05x = 129,953.98 × 32,610.82
  4. Step 4: Simplify right side
    86,636.05x = 4,237,905,850.06
  5. Step 5: Solve for x
    x = 4,237,905,850.06/86,636.05
  6. Step 6: Final answer
    x = 48,916.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.