Home / 70,915.21-97,831.99-50,764.74

Finding the Fourth Proportional to 70,915.21, 97,831.99 and 50,764.74

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Solution

The fourth proportional to 70,915.21, 97,831.99 and 50,764.74 is: 70,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.21 : 97,831.99 = 50,764.74 : x
  2. Step 2: Convert to fraction form
    70,915.21/97,831.99 = 50,764.74/x
  3. Step 3: Cross multiply
    70,915.21x = 97,831.99 × 50,764.74
  4. Step 4: Simplify right side
    70,915.21x = 4,966,415,409.12
  5. Step 5: Solve for x
    x = 4,966,415,409.12/70,915.21
  6. Step 6: Final answer
    x = 70,033.15

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1.5x scale

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.