Home / 76,567.60-114,877.70-34,477.20

Finding the Fourth Proportional to 76,567.60, 114,877.70 and 34,477.20

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Solution

The fourth proportional to 76,567.60, 114,877.70 and 34,477.20 is: 51,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,567.60 : 114,877.70 = 34,477.20 : x
  2. Step 2: Convert to fraction form
    76,567.60/114,877.70 = 34,477.20/x
  3. Step 3: Cross multiply
    76,567.60x = 114,877.70 × 34,477.20
  4. Step 4: Simplify right side
    76,567.60x = 3,960,661,438.44
  5. Step 5: Solve for x
    x = 3,960,661,438.44/76,567.60
  6. Step 6: Final answer
    x = 51,727.64

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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.