Home / 85,029.60-117,346.36-47,303.84

Finding the Fourth Proportional to 85,029.60, 117,346.36 and 47,303.84

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Solution

The fourth proportional to 85,029.60, 117,346.36 and 47,303.84 is: 65,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,029.60 : 117,346.36 = 47,303.84 : x
  2. Step 2: Convert to fraction form
    85,029.60/117,346.36 = 47,303.84/x
  3. Step 3: Cross multiply
    85,029.60x = 117,346.36 × 47,303.84
  4. Step 4: Simplify right side
    85,029.60x = 5,550,933,438.02
  5. Step 5: Solve for x
    x = 5,550,933,438.02/85,029.60
  6. Step 6: Final answer
    x = 65,282.37

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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.