Home / 79,500.42-118,991.01-58,434.90

Finding the Fourth Proportional to 79,500.42, 118,991.01 and 58,434.90

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Solution

The fourth proportional to 79,500.42, 118,991.01 and 58,434.90 is: 87,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,500.42 : 118,991.01 = 58,434.90 : x
  2. Step 2: Convert to fraction form
    79,500.42/118,991.01 = 58,434.90/x
  3. Step 3: Cross multiply
    79,500.42x = 118,991.01 × 58,434.90
  4. Step 4: Simplify right side
    79,500.42x = 6,953,227,770.25
  5. Step 5: Solve for x
    x = 6,953,227,770.25/79,500.42
  6. Step 6: Final answer
    x = 87,461.52

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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.