Home / 71,579.64-98,789.01-43,285.53

Finding the Fourth Proportional to 71,579.64, 98,789.01 and 43,285.53

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Solution

The fourth proportional to 71,579.64, 98,789.01 and 43,285.53 is: 59,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,579.64 : 98,789.01 = 43,285.53 : x
  2. Step 2: Convert to fraction form
    71,579.64/98,789.01 = 43,285.53/x
  3. Step 3: Cross multiply
    71,579.64x = 98,789.01 × 43,285.53
  4. Step 4: Simplify right side
    71,579.64x = 4,276,134,656.03
  5. Step 5: Solve for x
    x = 4,276,134,656.03/71,579.64
  6. Step 6: Final answer
    x = 59,739.54

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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.