Home / 66,232.10-91,368.16-39,355.58

Finding the Fourth Proportional to 66,232.10, 91,368.16 and 39,355.58

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Solution

The fourth proportional to 66,232.10, 91,368.16 and 39,355.58 is: 54,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.10 : 91,368.16 = 39,355.58 : x
  2. Step 2: Convert to fraction form
    66,232.10/91,368.16 = 39,355.58/x
  3. Step 3: Cross multiply
    66,232.10x = 91,368.16 × 39,355.58
  4. Step 4: Simplify right side
    66,232.10x = 3,595,846,930.33
  5. Step 5: Solve for x
    x = 3,595,846,930.33/66,232.10
  6. Step 6: Final answer
    x = 54,291.60

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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.