Home / 93,020.72-128,367.90-50,579.24

Finding the Fourth Proportional to 93,020.72, 128,367.90 and 50,579.24

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Solution

The fourth proportional to 93,020.72, 128,367.90 and 50,579.24 is: 69,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.72 : 128,367.90 = 50,579.24 : x
  2. Step 2: Convert to fraction form
    93,020.72/128,367.90 = 50,579.24/x
  3. Step 3: Cross multiply
    93,020.72x = 128,367.90 × 50,579.24
  4. Step 4: Simplify right side
    93,020.72x = 6,492,750,180.56
  5. Step 5: Solve for x
    x = 6,492,750,180.56/93,020.72
  6. Step 6: Final answer
    x = 69,798.97

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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.