Home / 82,259.04-123,387.48-19,930.08

Finding the Fourth Proportional to 82,259.04, 123,387.48 and 19,930.08

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Solution

The fourth proportional to 82,259.04, 123,387.48 and 19,930.08 is: 29,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259.04 : 123,387.48 = 19,930.08 : x
  2. Step 2: Convert to fraction form
    82,259.04/123,387.48 = 19,930.08/x
  3. Step 3: Cross multiply
    82,259.04x = 123,387.48 × 19,930.08
  4. Step 4: Simplify right side
    82,259.04x = 2,459,122,347.40
  5. Step 5: Solve for x
    x = 2,459,122,347.40/82,259.04
  6. Step 6: Final answer
    x = 29,894.86

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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.