Home / 69,145.58-95,436.43-45,258.34

Finding the Fourth Proportional to 69,145.58, 95,436.43 and 45,258.34

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Solution

The fourth proportional to 69,145.58, 95,436.43 and 45,258.34 is: 62,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,145.58 : 95,436.43 = 45,258.34 : x
  2. Step 2: Convert to fraction form
    69,145.58/95,436.43 = 45,258.34/x
  3. Step 3: Cross multiply
    69,145.58x = 95,436.43 × 45,258.34
  4. Step 4: Simplify right side
    69,145.58x = 4,319,294,397.33
  5. Step 5: Solve for x
    x = 4,319,294,397.33/69,145.58
  6. Step 6: Final answer
    x = 62,466.67

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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.