Home / 66,888.40-92,302.47-38,202.42

Finding the Fourth Proportional to 66,888.40, 92,302.47 and 38,202.42

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Solution

The fourth proportional to 66,888.40, 92,302.47 and 38,202.42 is: 52,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.40 : 92,302.47 = 38,202.42 : x
  2. Step 2: Convert to fraction form
    66,888.40/92,302.47 = 38,202.42/x
  3. Step 3: Cross multiply
    66,888.40x = 92,302.47 × 38,202.42
  4. Step 4: Simplify right side
    66,888.40x = 3,526,177,928.85
  5. Step 5: Solve for x
    x = 3,526,177,928.85/66,888.40
  6. Step 6: Final answer
    x = 52,717.33

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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.