Home / 77,848.30-107,430.98-43,857.19

Finding the Fourth Proportional to 77,848.30, 107,430.98 and 43,857.19

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Solution

The fourth proportional to 77,848.30, 107,430.98 and 43,857.19 is: 60,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.30 : 107,430.98 = 43,857.19 : x
  2. Step 2: Convert to fraction form
    77,848.30/107,430.98 = 43,857.19/x
  3. Step 3: Cross multiply
    77,848.30x = 107,430.98 × 43,857.19
  4. Step 4: Simplify right side
    77,848.30x = 4,711,620,901.75
  5. Step 5: Solve for x
    x = 4,711,620,901.75/77,848.30
  6. Step 6: Final answer
    x = 60,523.11

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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.