Home / 64,739.04-89,367.52-43,530.60

Finding the Fourth Proportional to 64,739.04, 89,367.52 and 43,530.60

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Solution

The fourth proportional to 64,739.04, 89,367.52 and 43,530.60 is: 60,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.04 : 89,367.52 = 43,530.60 : x
  2. Step 2: Convert to fraction form
    64,739.04/89,367.52 = 43,530.60/x
  3. Step 3: Cross multiply
    64,739.04x = 89,367.52 × 43,530.60
  4. Step 4: Simplify right side
    64,739.04x = 3,890,221,766.11
  5. Step 5: Solve for x
    x = 3,890,221,766.11/64,739.04
  6. Step 6: Final answer
    x = 60,090.82

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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.