Home / 52,513.32-78,743.70-17,440.68

Finding the Fourth Proportional to 52,513.32, 78,743.70 and 17,440.68

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Solution

The fourth proportional to 52,513.32, 78,743.70 and 17,440.68 is: 26,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.32 : 78,743.70 = 17,440.68 : x
  2. Step 2: Convert to fraction form
    52,513.32/78,743.70 = 17,440.68/x
  3. Step 3: Cross multiply
    52,513.32x = 78,743.70 × 17,440.68
  4. Step 4: Simplify right side
    52,513.32x = 1,373,343,673.72
  5. Step 5: Solve for x
    x = 1,373,343,673.72/52,513.32
  6. Step 6: Final answer
    x = 26,152.29

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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.