Home / 105,048.84-144,964.66-57,302.92

Finding the Fourth Proportional to 105,048.84, 144,964.66 and 57,302.92

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Solution

The fourth proportional to 105,048.84, 144,964.66 and 57,302.92 is: 79,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.84 : 144,964.66 = 57,302.92 : x
  2. Step 2: Convert to fraction form
    105,048.84/144,964.66 = 57,302.92/x
  3. Step 3: Cross multiply
    105,048.84x = 144,964.66 × 57,302.92
  4. Step 4: Simplify right side
    105,048.84x = 8,306,898,314.81
  5. Step 5: Solve for x
    x = 8,306,898,314.81/105,048.84
  6. Step 6: Final answer
    x = 79,076.54

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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.