Home / 89,506.48-123,511.64-52,706.88

Finding the Fourth Proportional to 89,506.48, 123,511.64 and 52,706.88

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Solution

The fourth proportional to 89,506.48, 123,511.64 and 52,706.88 is: 72,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.48 : 123,511.64 = 52,706.88 : x
  2. Step 2: Convert to fraction form
    89,506.48/123,511.64 = 52,706.88/x
  3. Step 3: Cross multiply
    89,506.48x = 123,511.64 × 52,706.88
  4. Step 4: Simplify right side
    89,506.48x = 6,509,913,188.08
  5. Step 5: Solve for x
    x = 6,509,913,188.08/89,506.48
  6. Step 6: Final answer
    x = 72,731.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.