Home / 106,643.04-147,154.32-67,867.48

Finding the Fourth Proportional to 106,643.04, 147,154.32 and 67,867.48

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Solution

The fourth proportional to 106,643.04, 147,154.32 and 67,867.48 is: 93,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,643.04 : 147,154.32 = 67,867.48 : x
  2. Step 2: Convert to fraction form
    106,643.04/147,154.32 = 67,867.48/x
  3. Step 3: Cross multiply
    106,643.04x = 147,154.32 × 67,867.48
  4. Step 4: Simplify right side
    106,643.04x = 9,986,992,869.51
  5. Step 5: Solve for x
    x = 9,986,992,869.51/106,643.04
  6. Step 6: Final answer
    x = 93,648.80

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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.