Home / 89,619.03-134,511.57-45,276.93

Finding the Fourth Proportional to 89,619.03, 134,511.57 and 45,276.93

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Solution

The fourth proportional to 89,619.03, 134,511.57 and 45,276.93 is: 67,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619.03 : 134,511.57 = 45,276.93 : x
  2. Step 2: Convert to fraction form
    89,619.03/134,511.57 = 45,276.93/x
  3. Step 3: Cross multiply
    89,619.03x = 134,511.57 × 45,276.93
  4. Step 4: Simplify right side
    89,619.03x = 6,090,270,939.08
  5. Step 5: Solve for x
    x = 6,090,270,939.08/89,619.03
  6. Step 6: Final answer
    x = 67,957.34

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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.