Home / 74,801.07-112,238.06-30,458.43

Finding the Fourth Proportional to 74,801.07, 112,238.06 and 30,458.43

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Solution

The fourth proportional to 74,801.07, 112,238.06 and 30,458.43 is: 45,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,801.07 : 112,238.06 = 30,458.43 : x
  2. Step 2: Convert to fraction form
    74,801.07/112,238.06 = 30,458.43/x
  3. Step 3: Cross multiply
    74,801.07x = 112,238.06 × 30,458.43
  4. Step 4: Simplify right side
    74,801.07x = 3,418,594,941.55
  5. Step 5: Solve for x
    x = 3,418,594,941.55/74,801.07
  6. Step 6: Final answer
    x = 45,702.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.