Home / 55,816.19-77,027.72-31,950.55

Finding the Fourth Proportional to 55,816.19, 77,027.72 and 31,950.55

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Solution

The fourth proportional to 55,816.19, 77,027.72 and 31,950.55 is: 44,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.19 : 77,027.72 = 31,950.55 : x
  2. Step 2: Convert to fraction form
    55,816.19/77,027.72 = 31,950.55/x
  3. Step 3: Cross multiply
    55,816.19x = 77,027.72 × 31,950.55
  4. Step 4: Simplify right side
    55,816.19x = 2,461,078,019.25
  5. Step 5: Solve for x
    x = 2,461,078,019.25/55,816.19
  6. Step 6: Final answer
    x = 44,092.55

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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.