Home / 62,977.84-86,906.28-40,621.84

Finding the Fourth Proportional to 62,977.84, 86,906.28 and 40,621.84

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Solution

The fourth proportional to 62,977.84, 86,906.28 and 40,621.84 is: 56,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.84 : 86,906.28 = 40,621.84 : x
  2. Step 2: Convert to fraction form
    62,977.84/86,906.28 = 40,621.84/x
  3. Step 3: Cross multiply
    62,977.84x = 86,906.28 × 40,621.84
  4. Step 4: Simplify right side
    62,977.84x = 3,530,293,001.16
  5. Step 5: Solve for x
    x = 3,530,293,001.16/62,977.84
  6. Step 6: Final answer
    x = 56,056.11

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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.