Home / 93,454.05-128,962.63-55,226.00

Finding the Fourth Proportional to 93,454.05, 128,962.63 and 55,226.00

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Solution

The fourth proportional to 93,454.05, 128,962.63 and 55,226.00 is: 76,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,454.05 : 128,962.63 = 55,226.00 : x
  2. Step 2: Convert to fraction form
    93,454.05/128,962.63 = 55,226.00/x
  3. Step 3: Cross multiply
    93,454.05x = 128,962.63 × 55,226.00
  4. Step 4: Simplify right side
    93,454.05x = 7,122,090,595.82
  5. Step 5: Solve for x
    x = 7,122,090,595.82/93,454.05
  6. Step 6: Final answer
    x = 76,209.54

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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.