Home / 64,823.80-97,235.70-43,828.60

Finding the Fourth Proportional to 64,823.80, 97,235.70 and 43,828.60

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Solution

The fourth proportional to 64,823.80, 97,235.70 and 43,828.60 is: 65,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,823.80 : 97,235.70 = 43,828.60 : x
  2. Step 2: Convert to fraction form
    64,823.80/97,235.70 = 43,828.60/x
  3. Step 3: Cross multiply
    64,823.80x = 97,235.70 × 43,828.60
  4. Step 4: Simplify right side
    64,823.80x = 4,261,704,601.02
  5. Step 5: Solve for x
    x = 4,261,704,601.02/64,823.80
  6. Step 6: Final answer
    x = 65,742.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.