Home / 124,338.51-171,584.73-76,590.63

Finding the Fourth Proportional to 124,338.51, 171,584.73 and 76,590.63

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Solution

The fourth proportional to 124,338.51, 171,584.73 and 76,590.63 is: 105,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.51 : 171,584.73 = 76,590.63 : x
  2. Step 2: Convert to fraction form
    124,338.51/171,584.73 = 76,590.63/x
  3. Step 3: Cross multiply
    124,338.51x = 171,584.73 × 76,590.63
  4. Step 4: Simplify right side
    124,338.51x = 13,141,782,569.08
  5. Step 5: Solve for x
    x = 13,141,782,569.08/124,338.51
  6. Step 6: Final answer
    x = 105,693.58

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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.