Home / 88,607.40-122,289.12-50,880.84

Finding the Fourth Proportional to 88,607.40, 122,289.12 and 50,880.84

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Solution

The fourth proportional to 88,607.40, 122,289.12 and 50,880.84 is: 70,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,607.40 : 122,289.12 = 50,880.84 : x
  2. Step 2: Convert to fraction form
    88,607.40/122,289.12 = 50,880.84/x
  3. Step 3: Cross multiply
    88,607.40x = 122,289.12 × 50,880.84
  4. Step 4: Simplify right side
    88,607.40x = 6,222,173,148.46
  5. Step 5: Solve for x
    x = 6,222,173,148.46/88,607.40
  6. Step 6: Final answer
    x = 70,221.82

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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.