Home / 89,210.52-133,768.74-47,113.20

Finding the Fourth Proportional to 89,210.52, 133,768.74 and 47,113.20

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Solution

The fourth proportional to 89,210.52, 133,768.74 and 47,113.20 is: 70,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.52 : 133,768.74 = 47,113.20 : x
  2. Step 2: Convert to fraction form
    89,210.52/133,768.74 = 47,113.20/x
  3. Step 3: Cross multiply
    89,210.52x = 133,768.74 × 47,113.20
  4. Step 4: Simplify right side
    89,210.52x = 6,302,273,401.37
  5. Step 5: Solve for x
    x = 6,302,273,401.37/89,210.52
  6. Step 6: Final answer
    x = 70,644.96

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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.