Home / 75,999.15-113,937.28-31,659.26

Finding the Fourth Proportional to 75,999.15, 113,937.28 and 31,659.26

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Solution

The fourth proportional to 75,999.15, 113,937.28 and 31,659.26 is: 47,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.15 : 113,937.28 = 31,659.26 : x
  2. Step 2: Convert to fraction form
    75,999.15/113,937.28 = 31,659.26/x
  3. Step 3: Cross multiply
    75,999.15x = 113,937.28 × 31,659.26
  4. Step 4: Simplify right side
    75,999.15x = 3,607,169,322.38
  5. Step 5: Solve for x
    x = 3,607,169,322.38/75,999.15
  6. Step 6: Final answer
    x = 47,463.29

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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.