Home / 82,720.36-124,091.98-26,547.28

Finding the Fourth Proportional to 82,720.36, 124,091.98 and 26,547.28

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Solution

The fourth proportional to 82,720.36, 124,091.98 and 26,547.28 is: 39,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720.36 : 124,091.98 = 26,547.28 : x
  2. Step 2: Convert to fraction form
    82,720.36/124,091.98 = 26,547.28/x
  3. Step 3: Cross multiply
    82,720.36x = 124,091.98 × 26,547.28
  4. Step 4: Simplify right side
    82,720.36x = 3,294,304,538.81
  5. Step 5: Solve for x
    x = 3,294,304,538.81/82,720.36
  6. Step 6: Final answer
    x = 39,824.59

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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.