Home / 66,760.31-92,139.96-38,089.33

Finding the Fourth Proportional to 66,760.31, 92,139.96 and 38,089.33

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Solution

The fourth proportional to 66,760.31, 92,139.96 and 38,089.33 is: 52,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.31 : 92,139.96 = 38,089.33 : x
  2. Step 2: Convert to fraction form
    66,760.31/92,139.96 = 38,089.33/x
  3. Step 3: Cross multiply
    66,760.31x = 92,139.96 × 38,089.33
  4. Step 4: Simplify right side
    66,760.31x = 3,509,549,045.20
  5. Step 5: Solve for x
    x = 3,509,549,045.20/66,760.31
  6. Step 6: Final answer
    x = 52,569.39

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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.