Home / 93,363.44-128,799.86-57,540.38

Finding the Fourth Proportional to 93,363.44, 128,799.86 and 57,540.38

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Solution

The fourth proportional to 93,363.44, 128,799.86 and 57,540.38 is: 79,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,363.44 : 128,799.86 = 57,540.38 : x
  2. Step 2: Convert to fraction form
    93,363.44/128,799.86 = 57,540.38/x
  3. Step 3: Cross multiply
    93,363.44x = 128,799.86 × 57,540.38
  4. Step 4: Simplify right side
    93,363.44x = 7,411,192,888.35
  5. Step 5: Solve for x
    x = 7,411,192,888.35/93,363.44
  6. Step 6: Final answer
    x = 79,380.03

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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.