Home / 73,035.84-109,560.14-20,445.48

Finding the Fourth Proportional to 73,035.84, 109,560.14 and 20,445.48

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Solution

The fourth proportional to 73,035.84, 109,560.14 and 20,445.48 is: 30,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,035.84 : 109,560.14 = 20,445.48 : x
  2. Step 2: Convert to fraction form
    73,035.84/109,560.14 = 20,445.48/x
  3. Step 3: Cross multiply
    73,035.84x = 109,560.14 × 20,445.48
  4. Step 4: Simplify right side
    73,035.84x = 2,240,009,001.14
  5. Step 5: Solve for x
    x = 2,240,009,001.14/73,035.84
  6. Step 6: Final answer
    x = 30,670.00

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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.