Home / 66,082.64-99,111.36-18,697.34

Finding the Fourth Proportional to 66,082.64, 99,111.36 and 18,697.34

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Solution

The fourth proportional to 66,082.64, 99,111.36 and 18,697.34 is: 28,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.64 : 99,111.36 = 18,697.34 : x
  2. Step 2: Convert to fraction form
    66,082.64/99,111.36 = 18,697.34/x
  3. Step 3: Cross multiply
    66,082.64x = 99,111.36 × 18,697.34
  4. Step 4: Simplify right side
    66,082.64x = 1,853,118,795.78
  5. Step 5: Solve for x
    x = 1,853,118,795.78/66,082.64
  6. Step 6: Final answer
    x = 28,042.44

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1.5x scale

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.