Home / 91,263.80-136,896.08-28,083.52

Finding the Fourth Proportional to 91,263.80, 136,896.08 and 28,083.52

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Solution

The fourth proportional to 91,263.80, 136,896.08 and 28,083.52 is: 42,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,263.80 : 136,896.08 = 28,083.52 : x
  2. Step 2: Convert to fraction form
    91,263.80/136,896.08 = 28,083.52/x
  3. Step 3: Cross multiply
    91,263.80x = 136,896.08 × 28,083.52
  4. Step 4: Simplify right side
    91,263.80x = 3,844,523,800.60
  5. Step 5: Solve for x
    x = 3,844,523,800.60/91,263.80
  6. Step 6: Final answer
    x = 42,125.40

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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.