Home / 79,830.81-119,746.69-23,671.44

Finding the Fourth Proportional to 79,830.81, 119,746.69 and 23,671.44

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Solution

The fourth proportional to 79,830.81, 119,746.69 and 23,671.44 is: 35,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.81 : 119,746.69 = 23,671.44 : x
  2. Step 2: Convert to fraction form
    79,830.81/119,746.69 = 23,671.44/x
  3. Step 3: Cross multiply
    79,830.81x = 119,746.69 × 23,671.44
  4. Step 4: Simplify right side
    79,830.81x = 2,834,576,528.36
  5. Step 5: Solve for x
    x = 2,834,576,528.36/79,830.81
  6. Step 6: Final answer
    x = 35,507.30

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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.