Home / 113,780.90-157,017.31-62,793.26

Finding the Fourth Proportional to 113,780.90, 157,017.31 and 62,793.26

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Solution

The fourth proportional to 113,780.90, 157,017.31 and 62,793.26 is: 86,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,780.90 : 157,017.31 = 62,793.26 : x
  2. Step 2: Convert to fraction form
    113,780.90/157,017.31 = 62,793.26/x
  3. Step 3: Cross multiply
    113,780.90x = 157,017.31 × 62,793.26
  4. Step 4: Simplify right side
    113,780.90x = 9,859,628,771.33
  5. Step 5: Solve for x
    x = 9,859,628,771.33/113,780.90
  6. Step 6: Final answer
    x = 86,654.52

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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.