Home / 216,079.16-324,118.73-58,307.61

Finding the Fourth Proportional to 216,079.16, 324,118.73 and 58,307.61

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Solution

The fourth proportional to 216,079.16, 324,118.73 and 58,307.61 is: 87,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079.16 : 324,118.73 = 58,307.61 : x
  2. Step 2: Convert to fraction form
    216,079.16/324,118.73 = 58,307.61/x
  3. Step 3: Cross multiply
    216,079.16x = 324,118.73 × 58,307.61
  4. Step 4: Simplify right side
    216,079.16x = 18,898,588,211.00
  5. Step 5: Solve for x
    x = 18,898,588,211.00/216,079.16
  6. Step 6: Final answer
    x = 87,461.41

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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.