Home / 64,890.75-89,549.37-35,082.75

Finding the Fourth Proportional to 64,890.75, 89,549.37 and 35,082.75

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Solution

The fourth proportional to 64,890.75, 89,549.37 and 35,082.75 is: 48,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.75 : 89,549.37 = 35,082.75 : x
  2. Step 2: Convert to fraction form
    64,890.75/89,549.37 = 35,082.75/x
  3. Step 3: Cross multiply
    64,890.75x = 89,549.37 × 35,082.75
  4. Step 4: Simplify right side
    64,890.75x = 3,141,638,160.37
  5. Step 5: Solve for x
    x = 3,141,638,160.37/64,890.75
  6. Step 6: Final answer
    x = 48,414.27

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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.