Home / 64,889.28-97,445.04-40,076.16

Finding the Fourth Proportional to 64,889.28, 97,445.04 and 40,076.16

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Solution

The fourth proportional to 64,889.28, 97,445.04 and 40,076.16 is: 60,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.28 : 97,445.04 = 40,076.16 : x
  2. Step 2: Convert to fraction form
    64,889.28/97,445.04 = 40,076.16/x
  3. Step 3: Cross multiply
    64,889.28x = 97,445.04 × 40,076.16
  4. Step 4: Simplify right side
    64,889.28x = 3,905,223,014.25
  5. Step 5: Solve for x
    x = 3,905,223,014.25/64,889.28
  6. Step 6: Final answer
    x = 60,182.87

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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.