Home / 89,631.45-134,459.06-47,533.05

Finding the Fourth Proportional to 89,631.45, 134,459.06 and 47,533.05

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Solution

The fourth proportional to 89,631.45, 134,459.06 and 47,533.05 is: 71,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.45 : 134,459.06 = 47,533.05 : x
  2. Step 2: Convert to fraction form
    89,631.45/134,459.06 = 47,533.05/x
  3. Step 3: Cross multiply
    89,631.45x = 134,459.06 × 47,533.05
  4. Step 4: Simplify right side
    89,631.45x = 6,391,248,984.27
  5. Step 5: Solve for x
    x = 6,391,248,984.27/89,631.45
  6. Step 6: Final answer
    x = 71,305.88

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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.