Home / 117,417.28-162,056.64-69,697

Finding the Fourth Proportional to 117,417.28, 162,056.64 and 69,697

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Solution

The fourth proportional to 117,417.28, 162,056.64 and 69,697 is: 96,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,417.28 : 162,056.64 = 69,697 : x
  2. Step 2: Convert to fraction form
    117,417.28/162,056.64 = 69,697/x
  3. Step 3: Cross multiply
    117,417.28x = 162,056.64 × 69,697
  4. Step 4: Simplify right side
    117,417.28x = 11,294,861,638.08
  5. Step 5: Solve for x
    x = 11,294,861,638.08/117,417.28
  6. Step 6: Final answer
    x = 96,194.20

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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.