Home / 89,007.66-122,836.50-51,284.34

Finding the Fourth Proportional to 89,007.66, 122,836.50 and 51,284.34

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Solution

The fourth proportional to 89,007.66, 122,836.50 and 51,284.34 is: 70,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,007.66 : 122,836.50 = 51,284.34 : x
  2. Step 2: Convert to fraction form
    89,007.66/122,836.50 = 51,284.34/x
  3. Step 3: Cross multiply
    89,007.66x = 122,836.50 × 51,284.34
  4. Step 4: Simplify right side
    89,007.66x = 6,299,588,830.41
  5. Step 5: Solve for x
    x = 6,299,588,830.41/89,007.66
  6. Step 6: Final answer
    x = 70,775.81

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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.