Home / 48,071.27-72,055.84-28,359.11

Finding the Fourth Proportional to 48,071.27, 72,055.84 and 28,359.11

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Solution

The fourth proportional to 48,071.27, 72,055.84 and 28,359.11 is: 42,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.27 : 72,055.84 = 28,359.11 : x
  2. Step 2: Convert to fraction form
    48,071.27/72,055.84 = 28,359.11/x
  3. Step 3: Cross multiply
    48,071.27x = 72,055.84 × 28,359.11
  4. Step 4: Simplify right side
    48,071.27x = 2,043,439,492.70
  5. Step 5: Solve for x
    x = 2,043,439,492.70/48,071.27
  6. Step 6: Final answer
    x = 42,508.54

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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.