Home / 105,079.22-157,617.29-48,887.90

Finding the Fourth Proportional to 105,079.22, 157,617.29 and 48,887.90

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Solution

The fourth proportional to 105,079.22, 157,617.29 and 48,887.90 is: 73,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079.22 : 157,617.29 = 48,887.90 : x
  2. Step 2: Convert to fraction form
    105,079.22/157,617.29 = 48,887.90/x
  3. Step 3: Cross multiply
    105,079.22x = 157,617.29 × 48,887.90
  4. Step 4: Simplify right side
    105,079.22x = 7,705,577,645.92
  5. Step 5: Solve for x
    x = 7,705,577,645.92/105,079.22
  6. Step 6: Final answer
    x = 73,331.13

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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.