Home / 56,716.60-85,107.30-21,681.40

Finding the Fourth Proportional to 56,716.60, 85,107.30 and 21,681.40

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Solution

The fourth proportional to 56,716.60, 85,107.30 and 21,681.40 is: 32,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.60 : 85,107.30 = 21,681.40 : x
  2. Step 2: Convert to fraction form
    56,716.60/85,107.30 = 21,681.40/x
  3. Step 3: Cross multiply
    56,716.60x = 85,107.30 × 21,681.40
  4. Step 4: Simplify right side
    56,716.60x = 1,845,245,414.22
  5. Step 5: Solve for x
    x = 1,845,245,414.22/56,716.60
  6. Step 6: Final answer
    x = 32,534.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.