Home / 61,964.36-92,870.40-28,639.34

Finding the Fourth Proportional to 61,964.36, 92,870.40 and 28,639.34

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Solution

The fourth proportional to 61,964.36, 92,870.40 and 28,639.34 is: 42,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.36 : 92,870.40 = 28,639.34 : x
  2. Step 2: Convert to fraction form
    61,964.36/92,870.40 = 28,639.34/x
  3. Step 3: Cross multiply
    61,964.36x = 92,870.40 × 28,639.34
  4. Step 4: Simplify right side
    61,964.36x = 2,659,746,961.54
  5. Step 5: Solve for x
    x = 2,659,746,961.54/61,964.36
  6. Step 6: Final answer
    x = 42,923.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.