Home / 111,488.60-167,258.43-48,319.34

Finding the Fourth Proportional to 111,488.60, 167,258.43 and 48,319.34

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Solution

The fourth proportional to 111,488.60, 167,258.43 and 48,319.34 is: 72,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,488.60 : 167,258.43 = 48,319.34 : x
  2. Step 2: Convert to fraction form
    111,488.60/167,258.43 = 48,319.34/x
  3. Step 3: Cross multiply
    111,488.60x = 167,258.43 × 48,319.34
  4. Step 4: Simplify right side
    111,488.60x = 8,081,816,110.74
  5. Step 5: Solve for x
    x = 8,081,816,110.74/111,488.60
  6. Step 6: Final answer
    x = 72,490.07

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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.