Home / 64,890.28-97,446.54-40,077.16

Finding the Fourth Proportional to 64,890.28, 97,446.54 and 40,077.16

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Solution

The fourth proportional to 64,890.28, 97,446.54 and 40,077.16 is: 60,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.28 : 97,446.54 = 40,077.16 : x
  2. Step 2: Convert to fraction form
    64,890.28/97,446.54 = 40,077.16/x
  3. Step 3: Cross multiply
    64,890.28x = 97,446.54 × 40,077.16
  4. Step 4: Simplify right side
    64,890.28x = 3,905,380,575.03
  5. Step 5: Solve for x
    x = 3,905,380,575.03/64,890.28
  6. Step 6: Final answer
    x = 60,184.37

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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.