Home / 105,048.45-144,966.62-57,301.80

Finding the Fourth Proportional to 105,048.45, 144,966.62 and 57,301.80

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Solution

The fourth proportional to 105,048.45, 144,966.62 and 57,301.80 is: 79,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.45 : 144,966.62 = 57,301.80 : x
  2. Step 2: Convert to fraction form
    105,048.45/144,966.62 = 57,301.80/x
  3. Step 3: Cross multiply
    105,048.45x = 144,966.62 × 57,301.80
  4. Step 4: Simplify right side
    105,048.45x = 8,306,847,865.55
  5. Step 5: Solve for x
    x = 8,306,847,865.55/105,048.45
  6. Step 6: Final answer
    x = 79,076.35

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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.