Home / 113,805.06-157,054.23-62,820.78

Finding the Fourth Proportional to 113,805.06, 157,054.23 and 62,820.78

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Solution

The fourth proportional to 113,805.06, 157,054.23 and 62,820.78 is: 86,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,805.06 : 157,054.23 = 62,820.78 : x
  2. Step 2: Convert to fraction form
    113,805.06/157,054.23 = 62,820.78/x
  3. Step 3: Cross multiply
    113,805.06x = 157,054.23 × 62,820.78
  4. Step 4: Simplify right side
    113,805.06x = 9,866,269,230.90
  5. Step 5: Solve for x
    x = 9,866,269,230.90/113,805.06
  6. Step 6: Final answer
    x = 86,694.47

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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.