Home / 91,339.37-136,981.38-35,175.16

Finding the Fourth Proportional to 91,339.37, 136,981.38 and 35,175.16

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Solution

The fourth proportional to 91,339.37, 136,981.38 and 35,175.16 is: 52,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,339.37 : 136,981.38 = 35,175.16 : x
  2. Step 2: Convert to fraction form
    91,339.37/136,981.38 = 35,175.16/x
  3. Step 3: Cross multiply
    91,339.37x = 136,981.38 × 35,175.16
  4. Step 4: Simplify right side
    91,339.37x = 4,818,342,063.79
  5. Step 5: Solve for x
    x = 4,818,342,063.79/91,339.37
  6. Step 6: Final answer
    x = 52,752.08

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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.