Home / 89,870.48-124,021.72-49,584.26

Finding the Fourth Proportional to 89,870.48, 124,021.72 and 49,584.26

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Solution

The fourth proportional to 89,870.48, 124,021.72 and 49,584.26 is: 68,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,870.48 : 124,021.72 = 49,584.26 : x
  2. Step 2: Convert to fraction form
    89,870.48/124,021.72 = 49,584.26/x
  3. Step 3: Cross multiply
    89,870.48x = 124,021.72 × 49,584.26
  4. Step 4: Simplify right side
    89,870.48x = 6,149,525,210.13
  5. Step 5: Solve for x
    x = 6,149,525,210.13/89,870.48
  6. Step 6: Final answer
    x = 68,426.53

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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.