Home / 93,231.36-128,655.85-56,993.51

Finding the Fourth Proportional to 93,231.36, 128,655.85 and 56,993.51

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Solution

The fourth proportional to 93,231.36, 128,655.85 and 56,993.51 is: 78,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231.36 : 128,655.85 = 56,993.51 : x
  2. Step 2: Convert to fraction form
    93,231.36/128,655.85 = 56,993.51/x
  3. Step 3: Cross multiply
    93,231.36x = 128,655.85 × 56,993.51
  4. Step 4: Simplify right side
    93,231.36x = 7,332,548,196.16
  5. Step 5: Solve for x
    x = 7,332,548,196.16/93,231.36
  6. Step 6: Final answer
    x = 78,648.94

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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.