Home / 54,271.65-74,892.69-31,611.36

Finding the Fourth Proportional to 54,271.65, 74,892.69 and 31,611.36

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Solution

The fourth proportional to 54,271.65, 74,892.69 and 31,611.36 is: 43,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,271.65 : 74,892.69 = 31,611.36 : x
  2. Step 2: Convert to fraction form
    54,271.65/74,892.69 = 31,611.36/x
  3. Step 3: Cross multiply
    54,271.65x = 74,892.69 × 31,611.36
  4. Step 4: Simplify right side
    54,271.65x = 2,367,459,784.96
  5. Step 5: Solve for x
    x = 2,367,459,784.96/54,271.65
  6. Step 6: Final answer
    x = 43,622.40

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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.