Home / 89,602.12-134,392.38-47,465.56

Finding the Fourth Proportional to 89,602.12, 134,392.38 and 47,465.56

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Solution

The fourth proportional to 89,602.12, 134,392.38 and 47,465.56 is: 71,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,602.12 : 134,392.38 = 47,465.56 : x
  2. Step 2: Convert to fraction form
    89,602.12/134,392.38 = 47,465.56/x
  3. Step 3: Cross multiply
    89,602.12x = 134,392.38 × 47,465.56
  4. Step 4: Simplify right side
    89,602.12x = 6,379,009,576.43
  5. Step 5: Solve for x
    x = 6,379,009,576.43/89,602.12
  6. Step 6: Final answer
    x = 71,192.62

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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.