Home / 93,083.72-128,454.12-50,641.28

Finding the Fourth Proportional to 93,083.72, 128,454.12 and 50,641.28

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Solution

The fourth proportional to 93,083.72, 128,454.12 and 50,641.28 is: 69,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.72 : 128,454.12 = 50,641.28 : x
  2. Step 2: Convert to fraction form
    93,083.72/128,454.12 = 50,641.28/x
  3. Step 3: Cross multiply
    93,083.72x = 128,454.12 × 50,641.28
  4. Step 4: Simplify right side
    93,083.72x = 6,505,081,058.07
  5. Step 5: Solve for x
    x = 6,505,081,058.07/93,083.72
  6. Step 6: Final answer
    x = 69,884.20

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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.