Home / 53,210.28-79,807.89-15,774.33

Finding the Fourth Proportional to 53,210.28, 79,807.89 and 15,774.33

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Solution

The fourth proportional to 53,210.28, 79,807.89 and 15,774.33 is: 23,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.28 : 79,807.89 = 15,774.33 : x
  2. Step 2: Convert to fraction form
    53,210.28/79,807.89 = 15,774.33/x
  3. Step 3: Cross multiply
    53,210.28x = 79,807.89 × 15,774.33
  4. Step 4: Simplify right side
    53,210.28x = 1,258,915,993.46
  5. Step 5: Solve for x
    x = 1,258,915,993.46/53,210.28
  6. Step 6: Final answer
    x = 23,659.26

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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.