Home / 93,415.47-140,145.44-30,235.59

Finding the Fourth Proportional to 93,415.47, 140,145.44 and 30,235.59

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Solution

The fourth proportional to 93,415.47, 140,145.44 and 30,235.59 is: 45,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,415.47 : 140,145.44 = 30,235.59 : x
  2. Step 2: Convert to fraction form
    93,415.47/140,145.44 = 30,235.59/x
  3. Step 3: Cross multiply
    93,415.47x = 140,145.44 × 30,235.59
  4. Step 4: Simplify right side
    93,415.47x = 4,237,379,913.03
  5. Step 5: Solve for x
    x = 4,237,379,913.03/93,415.47
  6. Step 6: Final answer
    x = 45,360.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.