Home / 56,846.09-78,448.14-31,353.43

Finding the Fourth Proportional to 56,846.09, 78,448.14 and 31,353.43

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Solution

The fourth proportional to 56,846.09, 78,448.14 and 31,353.43 is: 43,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,846.09 : 78,448.14 = 31,353.43 : x
  2. Step 2: Convert to fraction form
    56,846.09/78,448.14 = 31,353.43/x
  3. Step 3: Cross multiply
    56,846.09x = 78,448.14 × 31,353.43
  4. Step 4: Simplify right side
    56,846.09x = 2,459,618,266.12
  5. Step 5: Solve for x
    x = 2,459,618,266.12/56,846.09
  6. Step 6: Final answer
    x = 43,268.03

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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.