Home / 53,702.34-74,137.05-50,168.58

Finding the Fourth Proportional to 53,702.34, 74,137.05 and 50,168.58

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Solution

The fourth proportional to 53,702.34, 74,137.05 and 50,168.58 is: 69,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,702.34 : 74,137.05 = 50,168.58 : x
  2. Step 2: Convert to fraction form
    53,702.34/74,137.05 = 50,168.58/x
  3. Step 3: Cross multiply
    53,702.34x = 74,137.05 × 50,168.58
  4. Step 4: Simplify right side
    53,702.34x = 3,719,350,523.89
  5. Step 5: Solve for x
    x = 3,719,350,523.89/53,702.34
  6. Step 6: Final answer
    x = 69,258.63

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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.