Home / 124,434.61-186,651.86-30,940.36

Finding the Fourth Proportional to 124,434.61, 186,651.86 and 30,940.36

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Solution

The fourth proportional to 124,434.61, 186,651.86 and 30,940.36 is: 46,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,434.61 : 186,651.86 = 30,940.36 : x
  2. Step 2: Convert to fraction form
    124,434.61/186,651.86 = 30,940.36/x
  3. Step 3: Cross multiply
    124,434.61x = 186,651.86 × 30,940.36
  4. Step 4: Simplify right side
    124,434.61x = 5,775,075,743.07
  5. Step 5: Solve for x
    x = 5,775,075,743.07/124,434.61
  6. Step 6: Final answer
    x = 46,410.53

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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.