Home / 113,895.68-157,176.78-62,907

Finding the Fourth Proportional to 113,895.68, 157,176.78 and 62,907

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Solution

The fourth proportional to 113,895.68, 157,176.78 and 62,907 is: 86,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,895.68 : 157,176.78 = 62,907 : x
  2. Step 2: Convert to fraction form
    113,895.68/157,176.78 = 62,907/x
  3. Step 3: Cross multiply
    113,895.68x = 157,176.78 × 62,907
  4. Step 4: Simplify right side
    113,895.68x = 9,887,519,699.46
  5. Step 5: Solve for x
    x = 9,887,519,699.46/113,895.68
  6. Step 6: Final answer
    x = 86,812.07

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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.