Home / 86,601-129,526.24-50,977.42

Finding the Fourth Proportional to 86,601, 129,526.24 and 50,977.42

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Solution

The fourth proportional to 86,601, 129,526.24 and 50,977.42 is: 76,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601 : 129,526.24 = 50,977.42 : x
  2. Step 2: Convert to fraction form
    86,601/129,526.24 = 50,977.42/x
  3. Step 3: Cross multiply
    86,601x = 129,526.24 × 50,977.42
  4. Step 4: Simplify right side
    86,601x = 6,602,913,537.50
  5. Step 5: Solve for x
    x = 6,602,913,537.50/86,601
  6. Step 6: Final answer
    x = 76,245.23

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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.