Home / 48,051.94-72,078.16-31,516.68

Finding the Fourth Proportional to 48,051.94, 72,078.16 and 31,516.68

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Solution

The fourth proportional to 48,051.94, 72,078.16 and 31,516.68 is: 47,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051.94 : 72,078.16 = 31,516.68 : x
  2. Step 2: Convert to fraction form
    48,051.94/72,078.16 = 31,516.68/x
  3. Step 3: Cross multiply
    48,051.94x = 72,078.16 × 31,516.68
  4. Step 4: Simplify right side
    48,051.94x = 2,271,664,303.71
  5. Step 5: Solve for x
    x = 2,271,664,303.71/48,051.94
  6. Step 6: Final answer
    x = 47,275.18

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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.