Home / 55,035.48-75,933.54-31,161.63

Finding the Fourth Proportional to 55,035.48, 75,933.54 and 31,161.63

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Solution

The fourth proportional to 55,035.48, 75,933.54 and 31,161.63 is: 42,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.48 : 75,933.54 = 31,161.63 : x
  2. Step 2: Convert to fraction form
    55,035.48/75,933.54 = 31,161.63/x
  3. Step 3: Cross multiply
    55,035.48x = 75,933.54 × 31,161.63
  4. Step 4: Simplify right side
    55,035.48x = 2,366,212,878.07
  5. Step 5: Solve for x
    x = 2,366,212,878.07/55,035.48
  6. Step 6: Final answer
    x = 42,994.32

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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.