Home / 52,501.46-78,746.33-18,760.25

Finding the Fourth Proportional to 52,501.46, 78,746.33 and 18,760.25

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Solution

The fourth proportional to 52,501.46, 78,746.33 and 18,760.25 is: 28,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.46 : 78,746.33 = 18,760.25 : x
  2. Step 2: Convert to fraction form
    52,501.46/78,746.33 = 18,760.25/x
  3. Step 3: Cross multiply
    52,501.46x = 78,746.33 × 18,760.25
  4. Step 4: Simplify right side
    52,501.46x = 1,477,301,081.15
  5. Step 5: Solve for x
    x = 1,477,301,081.15/52,501.46
  6. Step 6: Final answer
    x = 28,138.29

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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.