Home / 109,840.24-151,576.08-64,517.44

Finding the Fourth Proportional to 109,840.24, 151,576.08 and 64,517.44

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Solution

The fourth proportional to 109,840.24, 151,576.08 and 64,517.44 is: 89,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,840.24 : 151,576.08 = 64,517.44 : x
  2. Step 2: Convert to fraction form
    109,840.24/151,576.08 = 64,517.44/x
  3. Step 3: Cross multiply
    109,840.24x = 151,576.08 × 64,517.44
  4. Step 4: Simplify right side
    109,840.24x = 9,779,300,646.84
  5. Step 5: Solve for x
    x = 9,779,300,646.84/109,840.24
  6. Step 6: Final answer
    x = 89,032.04

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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.