Home / 109,473.17-151,068.38-61,730.96

Finding the Fourth Proportional to 109,473.17, 151,068.38 and 61,730.96

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Solution

The fourth proportional to 109,473.17, 151,068.38 and 61,730.96 is: 85,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,473.17 : 151,068.38 = 61,730.96 : x
  2. Step 2: Convert to fraction form
    109,473.17/151,068.38 = 61,730.96/x
  3. Step 3: Cross multiply
    109,473.17x = 151,068.38 × 61,730.96
  4. Step 4: Simplify right side
    109,473.17x = 9,325,595,059.05
  5. Step 5: Solve for x
    x = 9,325,595,059.05/109,473.17
  6. Step 6: Final answer
    x = 85,186.13

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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.