Home / 56,883.12-85,334.81-19,447.35

Finding the Fourth Proportional to 56,883.12, 85,334.81 and 19,447.35

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Solution

The fourth proportional to 56,883.12, 85,334.81 and 19,447.35 is: 29,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.12 : 85,334.81 = 19,447.35 : x
  2. Step 2: Convert to fraction form
    56,883.12/85,334.81 = 19,447.35/x
  3. Step 3: Cross multiply
    56,883.12x = 85,334.81 × 19,447.35
  4. Step 4: Simplify right side
    56,883.12x = 1,659,535,820.02
  5. Step 5: Solve for x
    x = 1,659,535,820.02/56,883.12
  6. Step 6: Final answer
    x = 29,174.49

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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.