Home / 54,289.07-81,803.45-44,644.40

Finding the Fourth Proportional to 54,289.07, 81,803.45 and 44,644.40

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Solution

The fourth proportional to 54,289.07, 81,803.45 and 44,644.40 is: 67,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.07 : 81,803.45 = 44,644.40 : x
  2. Step 2: Convert to fraction form
    54,289.07/81,803.45 = 44,644.40/x
  3. Step 3: Cross multiply
    54,289.07x = 81,803.45 × 44,644.40
  4. Step 4: Simplify right side
    54,289.07x = 3,652,065,943.18
  5. Step 5: Solve for x
    x = 3,652,065,943.18/54,289.07
  6. Step 6: Final answer
    x = 67,270.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.