Home / 94,742.20-130,743.60-52,300.72

Finding the Fourth Proportional to 94,742.20, 130,743.60 and 52,300.72

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Solution

The fourth proportional to 94,742.20, 130,743.60 and 52,300.72 is: 72,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,742.20 : 130,743.60 = 52,300.72 : x
  2. Step 2: Convert to fraction form
    94,742.20/130,743.60 = 52,300.72/x
  3. Step 3: Cross multiply
    94,742.20x = 130,743.60 × 52,300.72
  4. Step 4: Simplify right side
    94,742.20x = 6,837,984,415.39
  5. Step 5: Solve for x
    x = 6,837,984,415.39/94,742.20
  6. Step 6: Final answer
    x = 72,174.64

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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.