Home / 48,082.30-72,127.08-13,021.36

Finding the Fourth Proportional to 48,082.30, 72,127.08 and 13,021.36

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Solution

The fourth proportional to 48,082.30, 72,127.08 and 13,021.36 is: 19,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,082.30 : 72,127.08 = 13,021.36 : x
  2. Step 2: Convert to fraction form
    48,082.30/72,127.08 = 13,021.36/x
  3. Step 3: Cross multiply
    48,082.30x = 72,127.08 × 13,021.36
  4. Step 4: Simplify right side
    48,082.30x = 939,192,674.43
  5. Step 5: Solve for x
    x = 939,192,674.43/48,082.30
  6. Step 6: Final answer
    x = 19,533.02

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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.