Home / 75,605.19-104,333.63-47,326.47

Finding the Fourth Proportional to 75,605.19, 104,333.63 and 47,326.47

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Solution

The fourth proportional to 75,605.19, 104,333.63 and 47,326.47 is: 65,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.19 : 104,333.63 = 47,326.47 : x
  2. Step 2: Convert to fraction form
    75,605.19/104,333.63 = 47,326.47/x
  3. Step 3: Cross multiply
    75,605.19x = 104,333.63 × 47,326.47
  4. Step 4: Simplify right side
    75,605.19x = 4,937,742,410.19
  5. Step 5: Solve for x
    x = 4,937,742,410.19/75,605.19
  6. Step 6: Final answer
    x = 65,309.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.