Home / 74,290.50-111,309.96-53,123.07

Finding the Fourth Proportional to 74,290.50, 111,309.96 and 53,123.07

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Solution

The fourth proportional to 74,290.50, 111,309.96 and 53,123.07 is: 79,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,290.50 : 111,309.96 = 53,123.07 : x
  2. Step 2: Convert to fraction form
    74,290.50/111,309.96 = 53,123.07/x
  3. Step 3: Cross multiply
    74,290.50x = 111,309.96 × 53,123.07
  4. Step 4: Simplify right side
    74,290.50x = 5,913,127,413.40
  5. Step 5: Solve for x
    x = 5,913,127,413.40/74,290.50
  6. Step 6: Final answer
    x = 79,594.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.