Home / 53,397.04-73,706.46-30,745.05

Finding the Fourth Proportional to 53,397.04, 73,706.46 and 30,745.05

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Solution

The fourth proportional to 53,397.04, 73,706.46 and 30,745.05 is: 42,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.04 : 73,706.46 = 30,745.05 : x
  2. Step 2: Convert to fraction form
    53,397.04/73,706.46 = 30,745.05/x
  3. Step 3: Cross multiply
    53,397.04x = 73,706.46 × 30,745.05
  4. Step 4: Simplify right side
    53,397.04x = 2,266,108,820.93
  5. Step 5: Solve for x
    x = 2,266,108,820.93/53,397.04
  6. Step 6: Final answer
    x = 42,438.85

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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.