Home / 64,059.20-88,374.48-40,169.60

Finding the Fourth Proportional to 64,059.20, 88,374.48 and 40,169.60

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Solution

The fourth proportional to 64,059.20, 88,374.48 and 40,169.60 is: 55,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,059.20 : 88,374.48 = 40,169.60 : x
  2. Step 2: Convert to fraction form
    64,059.20/88,374.48 = 40,169.60/x
  3. Step 3: Cross multiply
    64,059.20x = 88,374.48 × 40,169.60
  4. Step 4: Simplify right side
    64,059.20x = 3,549,967,511.81
  5. Step 5: Solve for x
    x = 3,549,967,511.81/64,059.20
  6. Step 6: Final answer
    x = 55,416.98

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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.