Home / 52,899.48-72,968.04-36,978.12

Finding the Fourth Proportional to 52,899.48, 72,968.04 and 36,978.12

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Solution

The fourth proportional to 52,899.48, 72,968.04 and 36,978.12 is: 51,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,899.48 : 72,968.04 = 36,978.12 : x
  2. Step 2: Convert to fraction form
    52,899.48/72,968.04 = 36,978.12/x
  3. Step 3: Cross multiply
    52,899.48x = 72,968.04 × 36,978.12
  4. Step 4: Simplify right side
    52,899.48x = 2,698,220,939.28
  5. Step 5: Solve for x
    x = 2,698,220,939.28/52,899.48
  6. Step 6: Final answer
    x = 51,006.57

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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.