Home / 48,336.60-72,503.81-28,472.11

Finding the Fourth Proportional to 48,336.60, 72,503.81 and 28,472.11

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Solution

The fourth proportional to 48,336.60, 72,503.81 and 28,472.11 is: 42,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,336.60 : 72,503.81 = 28,472.11 : x
  2. Step 2: Convert to fraction form
    48,336.60/72,503.81 = 28,472.11/x
  3. Step 3: Cross multiply
    48,336.60x = 72,503.81 × 28,472.11
  4. Step 4: Simplify right side
    48,336.60x = 2,064,336,236.89
  5. Step 5: Solve for x
    x = 2,064,336,236.89/48,336.60
  6. Step 6: Final answer
    x = 42,707.52

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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.