Home / 74,203.29-102,401.42-43,574.36

Finding the Fourth Proportional to 74,203.29, 102,401.42 and 43,574.36

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Solution

The fourth proportional to 74,203.29, 102,401.42 and 43,574.36 is: 60,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.29 : 102,401.42 = 43,574.36 : x
  2. Step 2: Convert to fraction form
    74,203.29/102,401.42 = 43,574.36/x
  3. Step 3: Cross multiply
    74,203.29x = 102,401.42 × 43,574.36
  4. Step 4: Simplify right side
    74,203.29x = 4,462,075,609.71
  5. Step 5: Solve for x
    x = 4,462,075,609.71/74,203.29
  6. Step 6: Final answer
    x = 60,133.12

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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.