Home / 89,933.52-134,929.08-43,189.68

Finding the Fourth Proportional to 89,933.52, 134,929.08 and 43,189.68

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Solution

The fourth proportional to 89,933.52, 134,929.08 and 43,189.68 is: 64,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.52 : 134,929.08 = 43,189.68 : x
  2. Step 2: Convert to fraction form
    89,933.52/134,929.08 = 43,189.68/x
  3. Step 3: Cross multiply
    89,933.52x = 134,929.08 × 43,189.68
  4. Step 4: Simplify right side
    89,933.52x = 5,827,543,787.89
  5. Step 5: Solve for x
    x = 5,827,543,787.89/89,933.52
  6. Step 6: Final answer
    x = 64,798.35

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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.