Home / 93,385.44-128,830.23-57,562.38

Finding the Fourth Proportional to 93,385.44, 128,830.23 and 57,562.38

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Solution

The fourth proportional to 93,385.44, 128,830.23 and 57,562.38 is: 79,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,385.44 : 128,830.23 = 57,562.38 : x
  2. Step 2: Convert to fraction form
    93,385.44/128,830.23 = 57,562.38/x
  3. Step 3: Cross multiply
    93,385.44x = 128,830.23 × 57,562.38
  4. Step 4: Simplify right side
    93,385.44x = 7,415,774,654.75
  5. Step 5: Solve for x
    x = 7,415,774,654.75/93,385.44
  6. Step 6: Final answer
    x = 79,410.39

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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.