Home / 65,097.10-89,830.38-36,411.22

Finding the Fourth Proportional to 65,097.10, 89,830.38 and 36,411.22

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Solution

The fourth proportional to 65,097.10, 89,830.38 and 36,411.22 is: 50,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,097.10 : 89,830.38 = 36,411.22 : x
  2. Step 2: Convert to fraction form
    65,097.10/89,830.38 = 36,411.22/x
  3. Step 3: Cross multiply
    65,097.10x = 89,830.38 × 36,411.22
  4. Step 4: Simplify right side
    65,097.10x = 3,270,833,728.86
  5. Step 5: Solve for x
    x = 3,270,833,728.86/65,097.10
  6. Step 6: Final answer
    x = 50,245.46

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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.