Home / 82,953.17-124,430.19-20,623.67

Finding the Fourth Proportional to 82,953.17, 124,430.19 and 20,623.67

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Solution

The fourth proportional to 82,953.17, 124,430.19 and 20,623.67 is: 30,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,953.17 : 124,430.19 = 20,623.67 : x
  2. Step 2: Convert to fraction form
    82,953.17/124,430.19 = 20,623.67/x
  3. Step 3: Cross multiply
    82,953.17x = 124,430.19 × 20,623.67
  4. Step 4: Simplify right side
    82,953.17x = 2,566,207,176.60
  5. Step 5: Solve for x
    x = 2,566,207,176.60/82,953.17
  6. Step 6: Final answer
    x = 30,935.61

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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.