Home / 98,417.04-135,805.68-57,575.16

Finding the Fourth Proportional to 98,417.04, 135,805.68 and 57,575.16

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Solution

The fourth proportional to 98,417.04, 135,805.68 and 57,575.16 is: 79,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,417.04 : 135,805.68 = 57,575.16 : x
  2. Step 2: Convert to fraction form
    98,417.04/135,805.68 = 57,575.16/x
  3. Step 3: Cross multiply
    98,417.04x = 135,805.68 × 57,575.16
  4. Step 4: Simplify right side
    98,417.04x = 7,819,033,754.91
  5. Step 5: Solve for x
    x = 7,819,033,754.91/98,417.04
  6. Step 6: Final answer
    x = 79,447.97

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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.