Home / 93,407.76-128,899.26-50,965.38

Finding the Fourth Proportional to 93,407.76, 128,899.26 and 50,965.38

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Solution

The fourth proportional to 93,407.76, 128,899.26 and 50,965.38 is: 70,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,407.76 : 128,899.26 = 50,965.38 : x
  2. Step 2: Convert to fraction form
    93,407.76/128,899.26 = 50,965.38/x
  3. Step 3: Cross multiply
    93,407.76x = 128,899.26 × 50,965.38
  4. Step 4: Simplify right side
    93,407.76x = 6,569,399,767.62
  5. Step 5: Solve for x
    x = 6,569,399,767.62/93,407.76
  6. Step 6: Final answer
    x = 70,330.34

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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.