Home / 118,528.56-163,567.89-70,845.48

Finding the Fourth Proportional to 118,528.56, 163,567.89 and 70,845.48

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Solution

The fourth proportional to 118,528.56, 163,567.89 and 70,845.48 is: 97,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,528.56 : 163,567.89 = 70,845.48 : x
  2. Step 2: Convert to fraction form
    118,528.56/163,567.89 = 70,845.48/x
  3. Step 3: Cross multiply
    118,528.56x = 163,567.89 × 70,845.48
  4. Step 4: Simplify right side
    118,528.56x = 11,588,045,679.64
  5. Step 5: Solve for x
    x = 11,588,045,679.64/118,528.56
  6. Step 6: Final answer
    x = 97,765.85

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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.