Home / 93,020.19-128,366.97-50,578.73

Finding the Fourth Proportional to 93,020.19, 128,366.97 and 50,578.73

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Solution

The fourth proportional to 93,020.19, 128,366.97 and 50,578.73 is: 69,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.19 : 128,366.97 = 50,578.73 : x
  2. Step 2: Convert to fraction form
    93,020.19/128,366.97 = 50,578.73/x
  3. Step 3: Cross multiply
    93,020.19x = 128,366.97 × 50,578.73
  4. Step 4: Simplify right side
    93,020.19x = 6,492,638,316.55
  5. Step 5: Solve for x
    x = 6,492,638,316.55/93,020.19
  6. Step 6: Final answer
    x = 69,798.16

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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.