Home / 64,905.16-89,568.67-37,679.06

Finding the Fourth Proportional to 64,905.16, 89,568.67 and 37,679.06

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Solution

The fourth proportional to 64,905.16, 89,568.67 and 37,679.06 is: 51,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.16 : 89,568.67 = 37,679.06 : x
  2. Step 2: Convert to fraction form
    64,905.16/89,568.67 = 37,679.06/x
  3. Step 3: Cross multiply
    64,905.16x = 89,568.67 × 37,679.06
  4. Step 4: Simplify right side
    64,905.16x = 3,374,863,291.05
  5. Step 5: Solve for x
    x = 3,374,863,291.05/64,905.16
  6. Step 6: Final answer
    x = 51,996.84

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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.