Home / 54,576.04-75,314.24-30,702.88

Finding the Fourth Proportional to 54,576.04, 75,314.24 and 30,702.88

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Solution

The fourth proportional to 54,576.04, 75,314.24 and 30,702.88 is: 42,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.04 : 75,314.24 = 30,702.88 : x
  2. Step 2: Convert to fraction form
    54,576.04/75,314.24 = 30,702.88/x
  3. Step 3: Cross multiply
    54,576.04x = 75,314.24 × 30,702.88
  4. Step 4: Simplify right side
    54,576.04x = 2,312,364,073.01
  5. Step 5: Solve for x
    x = 2,312,364,073.01/54,576.04
  6. Step 6: Final answer
    x = 42,369.58

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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.