Home / 55,570.44-76,686.30-31,697.04

Finding the Fourth Proportional to 55,570.44, 76,686.30 and 31,697.04

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Solution

The fourth proportional to 55,570.44, 76,686.30 and 31,697.04 is: 43,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.44 : 76,686.30 = 31,697.04 : x
  2. Step 2: Convert to fraction form
    55,570.44/76,686.30 = 31,697.04/x
  3. Step 3: Cross multiply
    55,570.44x = 76,686.30 × 31,697.04
  4. Step 4: Simplify right side
    55,570.44x = 2,430,728,718.55
  5. Step 5: Solve for x
    x = 2,430,728,718.55/55,570.44
  6. Step 6: Final answer
    x = 43,741.40

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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.