Home / 102,024.28-140,792.88-56,701.54

Finding the Fourth Proportional to 102,024.28, 140,792.88 and 56,701.54

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Solution

The fourth proportional to 102,024.28, 140,792.88 and 56,701.54 is: 78,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,024.28 : 140,792.88 = 56,701.54 : x
  2. Step 2: Convert to fraction form
    102,024.28/140,792.88 = 56,701.54/x
  3. Step 3: Cross multiply
    102,024.28x = 140,792.88 × 56,701.54
  4. Step 4: Simplify right side
    102,024.28x = 7,983,173,117.04
  5. Step 5: Solve for x
    x = 7,983,173,117.04/102,024.28
  6. Step 6: Final answer
    x = 78,247.78

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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.