Home / 80,526.40-120,795.94-21,362.08

Finding the Fourth Proportional to 80,526.40, 120,795.94 and 21,362.08

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Solution

The fourth proportional to 80,526.40, 120,795.94 and 21,362.08 is: 32,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.40 : 120,795.94 = 21,362.08 : x
  2. Step 2: Convert to fraction form
    80,526.40/120,795.94 = 21,362.08/x
  3. Step 3: Cross multiply
    80,526.40x = 120,795.94 × 21,362.08
  4. Step 4: Simplify right side
    80,526.40x = 2,580,452,533.96
  5. Step 5: Solve for x
    x = 2,580,452,533.96/80,526.40
  6. Step 6: Final answer
    x = 32,044.80

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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.