Home / 105,040.17-157,660.70-38,544.57

Finding the Fourth Proportional to 105,040.17, 157,660.70 and 38,544.57

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Solution

The fourth proportional to 105,040.17, 157,660.70 and 38,544.57 is: 57,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.17 : 157,660.70 = 38,544.57 : x
  2. Step 2: Convert to fraction form
    105,040.17/157,660.70 = 38,544.57/x
  3. Step 3: Cross multiply
    105,040.17x = 157,660.70 × 38,544.57
  4. Step 4: Simplify right side
    105,040.17x = 6,076,963,694.68
  5. Step 5: Solve for x
    x = 6,076,963,694.68/105,040.17
  6. Step 6: Final answer
    x = 57,853.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.