Home / 93,084.36-128,457.96-50,643.12

Finding the Fourth Proportional to 93,084.36, 128,457.96 and 50,643.12

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Solution

The fourth proportional to 93,084.36, 128,457.96 and 50,643.12 is: 69,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.36 : 128,457.96 = 50,643.12 : x
  2. Step 2: Convert to fraction form
    93,084.36/128,457.96 = 50,643.12/x
  3. Step 3: Cross multiply
    93,084.36x = 128,457.96 × 50,643.12
  4. Step 4: Simplify right side
    93,084.36x = 6,505,511,883.24
  5. Step 5: Solve for x
    x = 6,505,511,883.24/93,084.36
  6. Step 6: Final answer
    x = 69,888.35

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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.