Home / 42,068.62-63,095.46-15,409

Finding the Fourth Proportional to 42,068.62, 63,095.46 and 15,409

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Solution

The fourth proportional to 42,068.62, 63,095.46 and 15,409 is: 23,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,068.62 : 63,095.46 = 15,409 : x
  2. Step 2: Convert to fraction form
    42,068.62/63,095.46 = 15,409/x
  3. Step 3: Cross multiply
    42,068.62x = 63,095.46 × 15,409
  4. Step 4: Simplify right side
    42,068.62x = 972,237,943.14
  5. Step 5: Solve for x
    x = 972,237,943.14/42,068.62
  6. Step 6: Final answer
    x = 23,110.76

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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.