Home / 105,050.19-144,967.56-57,302.49

Finding the Fourth Proportional to 105,050.19, 144,967.56 and 57,302.49

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Solution

The fourth proportional to 105,050.19, 144,967.56 and 57,302.49 is: 79,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,050.19 : 144,967.56 = 57,302.49 : x
  2. Step 2: Convert to fraction form
    105,050.19/144,967.56 = 57,302.49/x
  3. Step 3: Cross multiply
    105,050.19x = 144,967.56 × 57,302.49
  4. Step 4: Simplify right side
    105,050.19x = 8,307,002,157.22
  5. Step 5: Solve for x
    x = 8,307,002,157.22/105,050.19
  6. Step 6: Final answer
    x = 79,076.51

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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.