Home / 66,729.36-92,082.47-38,045.01

Finding the Fourth Proportional to 66,729.36, 92,082.47 and 38,045.01

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Solution

The fourth proportional to 66,729.36, 92,082.47 and 38,045.01 is: 52,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,729.36 : 92,082.47 = 38,045.01 : x
  2. Step 2: Convert to fraction form
    66,729.36/92,082.47 = 38,045.01/x
  3. Step 3: Cross multiply
    66,729.36x = 92,082.47 × 38,045.01
  4. Step 4: Simplify right side
    66,729.36x = 3,503,278,301.75
  5. Step 5: Solve for x
    x = 3,503,278,301.75/66,729.36
  6. Step 6: Final answer
    x = 52,499.80

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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.