Home / 65,143.32-97,771.01-37,119.65

Finding the Fourth Proportional to 65,143.32, 97,771.01 and 37,119.65

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Solution

The fourth proportional to 65,143.32, 97,771.01 and 37,119.65 is: 55,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.32 : 97,771.01 = 37,119.65 : x
  2. Step 2: Convert to fraction form
    65,143.32/97,771.01 = 37,119.65/x
  3. Step 3: Cross multiply
    65,143.32x = 97,771.01 × 37,119.65
  4. Step 4: Simplify right side
    65,143.32x = 3,629,224,996.89
  5. Step 5: Solve for x
    x = 3,629,224,996.89/65,143.32
  6. Step 6: Final answer
    x = 55,711.39

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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.