Home / 113,775.49-157,009.08-62,788.69

Finding the Fourth Proportional to 113,775.49, 157,009.08 and 62,788.69

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Solution

The fourth proportional to 113,775.49, 157,009.08 and 62,788.69 is: 86,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,775.49 : 157,009.08 = 62,788.69 : x
  2. Step 2: Convert to fraction form
    113,775.49/157,009.08 = 62,788.69/x
  3. Step 3: Cross multiply
    113,775.49x = 157,009.08 × 62,788.69
  4. Step 4: Simplify right side
    113,775.49x = 9,858,394,451.31
  5. Step 5: Solve for x
    x = 9,858,394,451.31/113,775.49
  6. Step 6: Final answer
    x = 86,647.79

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1.5x scale

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.