Home / 53,210.60-79,828.42-15,770.98

Finding the Fourth Proportional to 53,210.60, 79,828.42 and 15,770.98

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Solution

The fourth proportional to 53,210.60, 79,828.42 and 15,770.98 is: 23,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.60 : 79,828.42 = 15,770.98 : x
  2. Step 2: Convert to fraction form
    53,210.60/79,828.42 = 15,770.98/x
  3. Step 3: Cross multiply
    53,210.60x = 79,828.42 × 15,770.98
  4. Step 4: Simplify right side
    53,210.60x = 1,258,972,176.25
  5. Step 5: Solve for x
    x = 1,258,972,176.25/53,210.60
  6. Step 6: Final answer
    x = 23,660.18

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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.