Home / 57,716.58-79,650.14-31,875.05

Finding the Fourth Proportional to 57,716.58, 79,650.14 and 31,875.05

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Solution

The fourth proportional to 57,716.58, 79,650.14 and 31,875.05 is: 43,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.58 : 79,650.14 = 31,875.05 : x
  2. Step 2: Convert to fraction form
    57,716.58/79,650.14 = 31,875.05/x
  3. Step 3: Cross multiply
    57,716.58x = 79,650.14 × 31,875.05
  4. Step 4: Simplify right side
    57,716.58x = 2,538,851,637.38
  5. Step 5: Solve for x
    x = 2,538,851,637.38/57,716.58
  6. Step 6: Final answer
    x = 43,988.25

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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.