Home / 66,765.58-92,146.62-38,085.10

Finding the Fourth Proportional to 66,765.58, 92,146.62 and 38,085.10

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Solution

The fourth proportional to 66,765.58, 92,146.62 and 38,085.10 is: 52,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,765.58 : 92,146.62 = 38,085.10 : x
  2. Step 2: Convert to fraction form
    66,765.58/92,146.62 = 38,085.10/x
  3. Step 3: Cross multiply
    66,765.58x = 92,146.62 × 38,085.10
  4. Step 4: Simplify right side
    66,765.58x = 3,509,413,237.36
  5. Step 5: Solve for x
    x = 3,509,413,237.36/66,765.58
  6. Step 6: Final answer
    x = 52,563.21

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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.