Home / 82,638.48-114,040.76-46,835.28

Finding the Fourth Proportional to 82,638.48, 114,040.76 and 46,835.28

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Solution

The fourth proportional to 82,638.48, 114,040.76 and 46,835.28 is: 64,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,638.48 : 114,040.76 = 46,835.28 : x
  2. Step 2: Convert to fraction form
    82,638.48/114,040.76 = 46,835.28/x
  3. Step 3: Cross multiply
    82,638.48x = 114,040.76 × 46,835.28
  4. Step 4: Simplify right side
    82,638.48x = 5,341,130,926.01
  5. Step 5: Solve for x
    x = 5,341,130,926.01/82,638.48
  6. Step 6: Final answer
    x = 64,632.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.