Home / 54,246.12-74,857.23-31,585.74

Finding the Fourth Proportional to 54,246.12, 74,857.23 and 31,585.74

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Solution

The fourth proportional to 54,246.12, 74,857.23 and 31,585.74 is: 43,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,246.12 : 74,857.23 = 31,585.74 : x
  2. Step 2: Convert to fraction form
    54,246.12/74,857.23 = 31,585.74/x
  3. Step 3: Cross multiply
    54,246.12x = 74,857.23 × 31,585.74
  4. Step 4: Simplify right side
    54,246.12x = 2,364,421,003.90
  5. Step 5: Solve for x
    x = 2,364,421,003.90/54,246.12
  6. Step 6: Final answer
    x = 43,586.91

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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.