Home / 55,009.76-82,526.62-31,328.50

Finding the Fourth Proportional to 55,009.76, 82,526.62 and 31,328.50

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Solution

The fourth proportional to 55,009.76, 82,526.62 and 31,328.50 is: 46,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.76 : 82,526.62 = 31,328.50 : x
  2. Step 2: Convert to fraction form
    55,009.76/82,526.62 = 31,328.50/x
  3. Step 3: Cross multiply
    55,009.76x = 82,526.62 × 31,328.50
  4. Step 4: Simplify right side
    55,009.76x = 2,585,435,214.67
  5. Step 5: Solve for x
    x = 2,585,435,214.67/55,009.76
  6. Step 6: Final answer
    x = 46,999.57

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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.