Home / 77,848.05-107,430.63-43,856.94

Finding the Fourth Proportional to 77,848.05, 107,430.63 and 43,856.94

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Solution

The fourth proportional to 77,848.05, 107,430.63 and 43,856.94 is: 60,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.05 : 107,430.63 = 43,856.94 : x
  2. Step 2: Convert to fraction form
    77,848.05/107,430.63 = 43,856.94/x
  3. Step 3: Cross multiply
    77,848.05x = 107,430.63 × 43,856.94
  4. Step 4: Simplify right side
    77,848.05x = 4,711,578,877.02
  5. Step 5: Solve for x
    x = 4,711,578,877.02/77,848.05
  6. Step 6: Final answer
    x = 60,522.76

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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.