Home / 55,848.92-77,071.50-30,698.42

Finding the Fourth Proportional to 55,848.92, 77,071.50 and 30,698.42

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Solution

The fourth proportional to 55,848.92, 77,071.50 and 30,698.42 is: 42,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.92 : 77,071.50 = 30,698.42 : x
  2. Step 2: Convert to fraction form
    55,848.92/77,071.50 = 30,698.42/x
  3. Step 3: Cross multiply
    55,848.92x = 77,071.50 × 30,698.42
  4. Step 4: Simplify right side
    55,848.92x = 2,365,973,006.79
  5. Step 5: Solve for x
    x = 2,365,973,006.79/55,848.92
  6. Step 6: Final answer
    x = 42,363.81

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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.