Home / 109,559.49-151,199.01-61,795.41

Finding the Fourth Proportional to 109,559.49, 151,199.01 and 61,795.41

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Solution

The fourth proportional to 109,559.49, 151,199.01 and 61,795.41 is: 85,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,559.49 : 151,199.01 = 61,795.41 : x
  2. Step 2: Convert to fraction form
    109,559.49/151,199.01 = 61,795.41/x
  3. Step 3: Cross multiply
    109,559.49x = 151,199.01 × 61,795.41
  4. Step 4: Simplify right side
    109,559.49x = 9,343,404,814.54
  5. Step 5: Solve for x
    x = 9,343,404,814.54/109,559.49
  6. Step 6: Final answer
    x = 85,281.57

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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.