Home / 70,812.90-97,670.43-48,112.20

Finding the Fourth Proportional to 70,812.90, 97,670.43 and 48,112.20

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Solution

The fourth proportional to 70,812.90, 97,670.43 and 48,112.20 is: 66,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,812.90 : 97,670.43 = 48,112.20 : x
  2. Step 2: Convert to fraction form
    70,812.90/97,670.43 = 48,112.20/x
  3. Step 3: Cross multiply
    70,812.90x = 97,670.43 × 48,112.20
  4. Step 4: Simplify right side
    70,812.90x = 4,699,139,262.25
  5. Step 5: Solve for x
    x = 4,699,139,262.25/70,812.90
  6. Step 6: Final answer
    x = 66,359.93

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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.