Home / 105,293.06-145,302.27-57,546.75

Finding the Fourth Proportional to 105,293.06, 145,302.27 and 57,546.75

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Solution

The fourth proportional to 105,293.06, 145,302.27 and 57,546.75 is: 79,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,293.06 : 145,302.27 = 57,546.75 : x
  2. Step 2: Convert to fraction form
    105,293.06/145,302.27 = 57,546.75/x
  3. Step 3: Cross multiply
    105,293.06x = 145,302.27 × 57,546.75
  4. Step 4: Simplify right side
    105,293.06x = 8,361,674,058.91
  5. Step 5: Solve for x
    x = 8,361,674,058.91/105,293.06
  6. Step 6: Final answer
    x = 79,413.34

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1.5x scale

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.