Home / 74,570.19-102,769.93-69,835.33

Finding the Fourth Proportional to 74,570.19, 102,769.93 and 69,835.33

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Solution

The fourth proportional to 74,570.19, 102,769.93 and 69,835.33 is: 96,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,570.19 : 102,769.93 = 69,835.33 : x
  2. Step 2: Convert to fraction form
    74,570.19/102,769.93 = 69,835.33/x
  3. Step 3: Cross multiply
    74,570.19x = 102,769.93 × 69,835.33
  4. Step 4: Simplify right side
    74,570.19x = 7,176,971,975.63
  5. Step 5: Solve for x
    x = 7,176,971,975.63/74,570.19
  6. Step 6: Final answer
    x = 96,244.52

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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.