Home / 55,475.55-76,537.56-31,585.32

Finding the Fourth Proportional to 55,475.55, 76,537.56 and 31,585.32

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Solution

The fourth proportional to 55,475.55, 76,537.56 and 31,585.32 is: 43,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.55 : 76,537.56 = 31,585.32 : x
  2. Step 2: Convert to fraction form
    55,475.55/76,537.56 = 31,585.32/x
  3. Step 3: Cross multiply
    55,475.55x = 76,537.56 × 31,585.32
  4. Step 4: Simplify right side
    55,475.55x = 2,417,463,324.62
  5. Step 5: Solve for x
    x = 2,417,463,324.62/55,475.55
  6. Step 6: Final answer
    x = 43,577.10

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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.