Home / 51,870.09-71,579.94-29,209.02

Finding the Fourth Proportional to 51,870.09, 71,579.94 and 29,209.02

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Solution

The fourth proportional to 51,870.09, 71,579.94 and 29,209.02 is: 40,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.09 : 71,579.94 = 29,209.02 : x
  2. Step 2: Convert to fraction form
    51,870.09/71,579.94 = 29,209.02/x
  3. Step 3: Cross multiply
    51,870.09x = 71,579.94 × 29,209.02
  4. Step 4: Simplify right side
    51,870.09x = 2,090,779,899.06
  5. Step 5: Solve for x
    x = 2,090,779,899.06/51,870.09
  6. Step 6: Final answer
    x = 40,308.01

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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.