Home / 60,258.74-90,270.45-28,623.78

Finding the Fourth Proportional to 60,258.74, 90,270.45 and 28,623.78

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Solution

The fourth proportional to 60,258.74, 90,270.45 and 28,623.78 is: 42,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,258.74 : 90,270.45 = 28,623.78 : x
  2. Step 2: Convert to fraction form
    60,258.74/90,270.45 = 28,623.78/x
  3. Step 3: Cross multiply
    60,258.74x = 90,270.45 × 28,623.78
  4. Step 4: Simplify right side
    60,258.74x = 2,583,881,501.30
  5. Step 5: Solve for x
    x = 2,583,881,501.30/60,258.74
  6. Step 6: Final answer
    x = 42,879.78

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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.