Home / 77,513.04-116,270.19-21,356.25

Finding the Fourth Proportional to 77,513.04, 116,270.19 and 21,356.25

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Solution

The fourth proportional to 77,513.04, 116,270.19 and 21,356.25 is: 32,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,513.04 : 116,270.19 = 21,356.25 : x
  2. Step 2: Convert to fraction form
    77,513.04/116,270.19 = 21,356.25/x
  3. Step 3: Cross multiply
    77,513.04x = 116,270.19 × 21,356.25
  4. Step 4: Simplify right side
    77,513.04x = 2,483,095,245.19
  5. Step 5: Solve for x
    x = 2,483,095,245.19/77,513.04
  6. Step 6: Final answer
    x = 32,034.55

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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.