Home / 83,555.52-115,313.91-45,837.06

Finding the Fourth Proportional to 83,555.52, 115,313.91 and 45,837.06

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Solution

The fourth proportional to 83,555.52, 115,313.91 and 45,837.06 is: 63,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.52 : 115,313.91 = 45,837.06 : x
  2. Step 2: Convert to fraction form
    83,555.52/115,313.91 = 45,837.06/x
  3. Step 3: Cross multiply
    83,555.52x = 115,313.91 × 45,837.06
  4. Step 4: Simplify right side
    83,555.52x = 5,285,650,611.50
  5. Step 5: Solve for x
    x = 5,285,650,611.50/83,555.52
  6. Step 6: Final answer
    x = 63,259.14

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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.