Home / 93,231.97-128,669.40-56,931.41

Finding the Fourth Proportional to 93,231.97, 128,669.40 and 56,931.41

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Solution

The fourth proportional to 93,231.97, 128,669.40 and 56,931.41 is: 78,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231.97 : 128,669.40 = 56,931.41 : x
  2. Step 2: Convert to fraction form
    93,231.97/128,669.40 = 56,931.41/x
  3. Step 3: Cross multiply
    93,231.97x = 128,669.40 × 56,931.41
  4. Step 4: Simplify right side
    93,231.97x = 7,325,330,365.85
  5. Step 5: Solve for x
    x = 7,325,330,365.85/93,231.97
  6. Step 6: Final answer
    x = 78,571.01

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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.