Home / 48,364.06-72,572.55-18,783.05

Finding the Fourth Proportional to 48,364.06, 72,572.55 and 18,783.05

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Solution

The fourth proportional to 48,364.06, 72,572.55 and 18,783.05 is: 28,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,364.06 : 72,572.55 = 18,783.05 : x
  2. Step 2: Convert to fraction form
    48,364.06/72,572.55 = 18,783.05/x
  3. Step 3: Cross multiply
    48,364.06x = 72,572.55 × 18,783.05
  4. Step 4: Simplify right side
    48,364.06x = 1,363,133,835.28
  5. Step 5: Solve for x
    x = 1,363,133,835.28/48,364.06
  6. Step 6: Final answer
    x = 28,184.85

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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.