Home / 91,838.07-137,625.57-52,313.58

Finding the Fourth Proportional to 91,838.07, 137,625.57 and 52,313.58

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Solution

The fourth proportional to 91,838.07, 137,625.57 and 52,313.58 is: 78,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,838.07 : 137,625.57 = 52,313.58 : x
  2. Step 2: Convert to fraction form
    91,838.07/137,625.57 = 52,313.58/x
  3. Step 3: Cross multiply
    91,838.07x = 137,625.57 × 52,313.58
  4. Step 4: Simplify right side
    91,838.07x = 7,199,686,266.24
  5. Step 5: Solve for x
    x = 7,199,686,266.24/91,838.07
  6. Step 6: Final answer
    x = 78,395.44

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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.