Home / 53,109.18-73,293.30-29,235.60

Finding the Fourth Proportional to 53,109.18, 73,293.30 and 29,235.60

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Solution

The fourth proportional to 53,109.18, 73,293.30 and 29,235.60 is: 40,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.18 : 73,293.30 = 29,235.60 : x
  2. Step 2: Convert to fraction form
    53,109.18/73,293.30 = 29,235.60/x
  3. Step 3: Cross multiply
    53,109.18x = 73,293.30 × 29,235.60
  4. Step 4: Simplify right side
    53,109.18x = 2,142,773,601.48
  5. Step 5: Solve for x
    x = 2,142,773,601.48/53,109.18
  6. Step 6: Final answer
    x = 40,346.58

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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.