Home / 75,415.55-112,951.10-36,000.34

Finding the Fourth Proportional to 75,415.55, 112,951.10 and 36,000.34

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Solution

The fourth proportional to 75,415.55, 112,951.10 and 36,000.34 is: 53,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,415.55 : 112,951.10 = 36,000.34 : x
  2. Step 2: Convert to fraction form
    75,415.55/112,951.10 = 36,000.34/x
  3. Step 3: Cross multiply
    75,415.55x = 112,951.10 × 36,000.34
  4. Step 4: Simplify right side
    75,415.55x = 4,066,277,823.37
  5. Step 5: Solve for x
    x = 4,066,277,823.37/75,415.55
  6. Step 6: Final answer
    x = 53,918.30

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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.