Home / 103,891.49-155,828.88-46,206.59

Finding the Fourth Proportional to 103,891.49, 155,828.88 and 46,206.59

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Solution

The fourth proportional to 103,891.49, 155,828.88 and 46,206.59 is: 69,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,891.49 : 155,828.88 = 46,206.59 : x
  2. Step 2: Convert to fraction form
    103,891.49/155,828.88 = 46,206.59/x
  3. Step 3: Cross multiply
    103,891.49x = 155,828.88 × 46,206.59
  4. Step 4: Simplify right side
    103,891.49x = 7,200,320,389.17
  5. Step 5: Solve for x
    x = 7,200,320,389.17/103,891.49
  6. Step 6: Final answer
    x = 69,306.16

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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.