Home / 105,056.64-157,563.77-38,474.03

Finding the Fourth Proportional to 105,056.64, 157,563.77 and 38,474.03

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Solution

The fourth proportional to 105,056.64, 157,563.77 and 38,474.03 is: 57,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,056.64 : 157,563.77 = 38,474.03 : x
  2. Step 2: Convert to fraction form
    105,056.64/157,563.77 = 38,474.03/x
  3. Step 3: Cross multiply
    105,056.64x = 157,563.77 × 38,474.03
  4. Step 4: Simplify right side
    105,056.64x = 6,062,113,415.43
  5. Step 5: Solve for x
    x = 6,062,113,415.43/105,056.64
  6. Step 6: Final answer
    x = 57,703.29

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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.