Home / 107,703.72-161,555.67-48,470.22

Finding the Fourth Proportional to 107,703.72, 161,555.67 and 48,470.22

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Solution

The fourth proportional to 107,703.72, 161,555.67 and 48,470.22 is: 72,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.72 : 161,555.67 = 48,470.22 : x
  2. Step 2: Convert to fraction form
    107,703.72/161,555.67 = 48,470.22/x
  3. Step 3: Cross multiply
    107,703.72x = 161,555.67 × 48,470.22
  4. Step 4: Simplify right side
    107,703.72x = 7,830,638,867.15
  5. Step 5: Solve for x
    x = 7,830,638,867.15/107,703.72
  6. Step 6: Final answer
    x = 72,705.37

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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.