Home / 55,026.68-75,936.60-31,155.57

Finding the Fourth Proportional to 55,026.68, 75,936.60 and 31,155.57

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Solution

The fourth proportional to 55,026.68, 75,936.60 and 31,155.57 is: 42,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,026.68 : 75,936.60 = 31,155.57 : x
  2. Step 2: Convert to fraction form
    55,026.68/75,936.60 = 31,155.57/x
  3. Step 3: Cross multiply
    55,026.68x = 75,936.60 × 31,155.57
  4. Step 4: Simplify right side
    55,026.68x = 2,365,848,056.86
  5. Step 5: Solve for x
    x = 2,365,848,056.86/55,026.68
  6. Step 6: Final answer
    x = 42,994.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.