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Finding the Fourth Proportional to 84,758.55, 127,087.07 and 28,597.41

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Solution

The fourth proportional to 84,758.55, 127,087.07 and 28,597.41 is: 42,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,758.55 : 127,087.07 = 28,597.41 : x
  2. Step 2: Convert to fraction form
    84,758.55/127,087.07 = 28,597.41/x
  3. Step 3: Cross multiply
    84,758.55x = 127,087.07 × 28,597.41
  4. Step 4: Simplify right side
    84,758.55x = 3,634,360,903.50
  5. Step 5: Solve for x
    x = 3,634,360,903.50/84,758.55
  6. Step 6: Final answer
    x = 42,878.99

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