Home / 40,580.73-60,876.84-12,503.06

Finding the Fourth Proportional to 40,580.73, 60,876.84 and 12,503.06

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Solution

The fourth proportional to 40,580.73, 60,876.84 and 12,503.06 is: 18,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.73 : 60,876.84 = 12,503.06 : x
  2. Step 2: Convert to fraction form
    40,580.73/60,876.84 = 12,503.06/x
  3. Step 3: Cross multiply
    40,580.73x = 60,876.84 × 12,503.06
  4. Step 4: Simplify right side
    40,580.73x = 761,146,478.75
  5. Step 5: Solve for x
    x = 761,146,478.75/40,580.73
  6. Step 6: Final answer
    x = 18,756.35

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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.