Home / 96,715.36-145,042.32-31,036

Finding the Fourth Proportional to 96,715.36, 145,042.32 and 31,036

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Solution

The fourth proportional to 96,715.36, 145,042.32 and 31,036 is: 46,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,715.36 : 145,042.32 = 31,036 : x
  2. Step 2: Convert to fraction form
    96,715.36/145,042.32 = 31,036/x
  3. Step 3: Cross multiply
    96,715.36x = 145,042.32 × 31,036
  4. Step 4: Simplify right side
    96,715.36x = 4,501,533,443.52
  5. Step 5: Solve for x
    x = 4,501,533,443.52/96,715.36
  6. Step 6: Final answer
    x = 46,544.14

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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.