Home / 83,563.56-115,320.12-45,840.24

Finding the Fourth Proportional to 83,563.56, 115,320.12 and 45,840.24

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Solution

The fourth proportional to 83,563.56, 115,320.12 and 45,840.24 is: 63,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,563.56 : 115,320.12 = 45,840.24 : x
  2. Step 2: Convert to fraction form
    83,563.56/115,320.12 = 45,840.24/x
  3. Step 3: Cross multiply
    83,563.56x = 115,320.12 × 45,840.24
  4. Step 4: Simplify right side
    83,563.56x = 5,286,301,977.63
  5. Step 5: Solve for x
    x = 5,286,301,977.63/83,563.56
  6. Step 6: Final answer
    x = 63,260.85

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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.