Home / 83,570.19-115,334.75-47,753.25

Finding the Fourth Proportional to 83,570.19, 115,334.75 and 47,753.25

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Solution

The fourth proportional to 83,570.19, 115,334.75 and 47,753.25 is: 65,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,570.19 : 115,334.75 = 47,753.25 : x
  2. Step 2: Convert to fraction form
    83,570.19/115,334.75 = 47,753.25/x
  3. Step 3: Cross multiply
    83,570.19x = 115,334.75 × 47,753.25
  4. Step 4: Simplify right side
    83,570.19x = 5,507,608,911.67
  5. Step 5: Solve for x
    x = 5,507,608,911.67/83,570.19
  6. Step 6: Final answer
    x = 65,903.99

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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.