Home / 82,448.10-123,526.35-69,909.30

Finding the Fourth Proportional to 82,448.10, 123,526.35 and 69,909.30

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Solution

The fourth proportional to 82,448.10, 123,526.35 and 69,909.30 is: 104,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448.10 : 123,526.35 = 69,909.30 : x
  2. Step 2: Convert to fraction form
    82,448.10/123,526.35 = 69,909.30/x
  3. Step 3: Cross multiply
    82,448.10x = 123,526.35 × 69,909.30
  4. Step 4: Simplify right side
    82,448.10x = 8,635,640,660.06
  5. Step 5: Solve for x
    x = 8,635,640,660.06/82,448.10
  6. Step 6: Final answer
    x = 104,740.32

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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.