Home / 45,870.32-68,812.32-16,285.68

Finding the Fourth Proportional to 45,870.32, 68,812.32 and 16,285.68

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Solution

The fourth proportional to 45,870.32, 68,812.32 and 16,285.68 is: 24,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870.32 : 68,812.32 = 16,285.68 : x
  2. Step 2: Convert to fraction form
    45,870.32/68,812.32 = 16,285.68/x
  3. Step 3: Cross multiply
    45,870.32x = 68,812.32 × 16,285.68
  4. Step 4: Simplify right side
    45,870.32x = 1,120,655,423.58
  5. Step 5: Solve for x
    x = 1,120,655,423.58/45,870.32
  6. Step 6: Final answer
    x = 24,430.95

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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.