Home / 93,054.27-128,435.55-56,763.73

Finding the Fourth Proportional to 93,054.27, 128,435.55 and 56,763.73

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Solution

The fourth proportional to 93,054.27, 128,435.55 and 56,763.73 is: 78,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,054.27 : 128,435.55 = 56,763.73 : x
  2. Step 2: Convert to fraction form
    93,054.27/128,435.55 = 56,763.73/x
  3. Step 3: Cross multiply
    93,054.27x = 128,435.55 × 56,763.73
  4. Step 4: Simplify right side
    93,054.27x = 7,290,480,882.60
  5. Step 5: Solve for x
    x = 7,290,480,882.60/93,054.27
  6. Step 6: Final answer
    x = 78,346.55

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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.