Home / 93,212.24-128,633.16-55,486.16

Finding the Fourth Proportional to 93,212.24, 128,633.16 and 55,486.16

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Solution

The fourth proportional to 93,212.24, 128,633.16 and 55,486.16 is: 76,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,212.24 : 128,633.16 = 55,486.16 : x
  2. Step 2: Convert to fraction form
    93,212.24/128,633.16 = 55,486.16/x
  3. Step 3: Cross multiply
    93,212.24x = 128,633.16 × 55,486.16
  4. Step 4: Simplify right side
    93,212.24x = 7,137,360,097.07
  5. Step 5: Solve for x
    x = 7,137,360,097.07/93,212.24
  6. Step 6: Final answer
    x = 76,571.06

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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.