Home / 64,943.06-89,636.34-38,094.21

Finding the Fourth Proportional to 64,943.06, 89,636.34 and 38,094.21

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Solution

The fourth proportional to 64,943.06, 89,636.34 and 38,094.21 is: 52,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.06 : 89,636.34 = 38,094.21 : x
  2. Step 2: Convert to fraction form
    64,943.06/89,636.34 = 38,094.21/x
  3. Step 3: Cross multiply
    64,943.06x = 89,636.34 × 38,094.21
  4. Step 4: Simplify right side
    64,943.06x = 3,414,625,559.59
  5. Step 5: Solve for x
    x = 3,414,625,559.59/64,943.06
  6. Step 6: Final answer
    x = 52,578.76

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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.