Home / 80,019.24-110,421-44,208.96

Finding the Fourth Proportional to 80,019.24, 110,421 and 44,208.96

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Solution

The fourth proportional to 80,019.24, 110,421 and 44,208.96 is: 61,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.24 : 110,421 = 44,208.96 : x
  2. Step 2: Convert to fraction form
    80,019.24/110,421 = 44,208.96/x
  3. Step 3: Cross multiply
    80,019.24x = 110,421 × 44,208.96
  4. Step 4: Simplify right side
    80,019.24x = 4,881,597,572.16
  5. Step 5: Solve for x
    x = 4,881,597,572.16/80,019.24
  6. Step 6: Final answer
    x = 61,005.30

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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.