Home / 77,885.22-116,831.70-37,940.88

Finding the Fourth Proportional to 77,885.22, 116,831.70 and 37,940.88

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Solution

The fourth proportional to 77,885.22, 116,831.70 and 37,940.88 is: 56,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,885.22 : 116,831.70 = 37,940.88 : x
  2. Step 2: Convert to fraction form
    77,885.22/116,831.70 = 37,940.88/x
  3. Step 3: Cross multiply
    77,885.22x = 116,831.70 × 37,940.88
  4. Step 4: Simplify right side
    77,885.22x = 4,432,697,509.90
  5. Step 5: Solve for x
    x = 4,432,697,509.90/77,885.22
  6. Step 6: Final answer
    x = 56,913.21

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1.5x scale

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.