Home / 76,962.46-106,207.15-42,971.46

Finding the Fourth Proportional to 76,962.46, 106,207.15 and 42,971.46

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Solution

The fourth proportional to 76,962.46, 106,207.15 and 42,971.46 is: 59,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.46 : 106,207.15 = 42,971.46 : x
  2. Step 2: Convert to fraction form
    76,962.46/106,207.15 = 42,971.46/x
  3. Step 3: Cross multiply
    76,962.46x = 106,207.15 × 42,971.46
  4. Step 4: Simplify right side
    76,962.46x = 4,563,876,083.08
  5. Step 5: Solve for x
    x = 4,563,876,083.08/76,962.46
  6. Step 6: Final answer
    x = 59,300.03

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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.