Home / 84,851.48-127,277.53-28,692.06

Finding the Fourth Proportional to 84,851.48, 127,277.53 and 28,692.06

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Solution

The fourth proportional to 84,851.48, 127,277.53 and 28,692.06 is: 43,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.48 : 127,277.53 = 28,692.06 : x
  2. Step 2: Convert to fraction form
    84,851.48/127,277.53 = 28,692.06/x
  3. Step 3: Cross multiply
    84,851.48x = 127,277.53 × 28,692.06
  4. Step 4: Simplify right side
    84,851.48x = 3,651,853,978.39
  5. Step 5: Solve for x
    x = 3,651,853,978.39/84,851.48
  6. Step 6: Final answer
    x = 43,038.19

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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.