Home / 91,845.04-137,636.12-52,320.52

Finding the Fourth Proportional to 91,845.04, 137,636.12 and 52,320.52

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Solution

The fourth proportional to 91,845.04, 137,636.12 and 52,320.52 is: 78,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,845.04 : 137,636.12 = 52,320.52 : x
  2. Step 2: Convert to fraction form
    91,845.04/137,636.12 = 52,320.52/x
  3. Step 3: Cross multiply
    91,845.04x = 137,636.12 × 52,320.52
  4. Step 4: Simplify right side
    91,845.04x = 7,201,193,369.18
  5. Step 5: Solve for x
    x = 7,201,193,369.18/91,845.04
  6. Step 6: Final answer
    x = 78,405.90

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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.