Home / 42,164.40-63,277.44-31,100.94

Finding the Fourth Proportional to 42,164.40, 63,277.44 and 31,100.94

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Solution

The fourth proportional to 42,164.40, 63,277.44 and 31,100.94 is: 46,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,164.40 : 63,277.44 = 31,100.94 : x
  2. Step 2: Convert to fraction form
    42,164.40/63,277.44 = 31,100.94/x
  3. Step 3: Cross multiply
    42,164.40x = 63,277.44 × 31,100.94
  4. Step 4: Simplify right side
    42,164.40x = 1,967,987,864.79
  5. Step 5: Solve for x
    x = 1,967,987,864.79/42,164.40
  6. Step 6: Final answer
    x = 46,674.16

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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.