Home / 93,018.15-128,361.51-50,576.72

Finding the Fourth Proportional to 93,018.15, 128,361.51 and 50,576.72

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Solution

The fourth proportional to 93,018.15, 128,361.51 and 50,576.72 is: 69,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,018.15 : 128,361.51 = 50,576.72 : x
  2. Step 2: Convert to fraction form
    93,018.15/128,361.51 = 50,576.72/x
  3. Step 3: Cross multiply
    93,018.15x = 128,361.51 × 50,576.72
  4. Step 4: Simplify right side
    93,018.15x = 6,492,103,508.24
  5. Step 5: Solve for x
    x = 6,492,103,508.24/93,018.15
  6. Step 6: Final answer
    x = 69,793.94

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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.