Home / 76,566.25-105,661.43-43,032.25

Finding the Fourth Proportional to 76,566.25, 105,661.43 and 43,032.25

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Solution

The fourth proportional to 76,566.25, 105,661.43 and 43,032.25 is: 59,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,566.25 : 105,661.43 = 43,032.25 : x
  2. Step 2: Convert to fraction form
    76,566.25/105,661.43 = 43,032.25/x
  3. Step 3: Cross multiply
    76,566.25x = 105,661.43 × 43,032.25
  4. Step 4: Simplify right side
    76,566.25x = 4,546,849,071.12
  5. Step 5: Solve for x
    x = 4,546,849,071.12/76,566.25
  6. Step 6: Final answer
    x = 59,384.51

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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.