Home / 98,539.03-135,984.02-56,097.56

Finding the Fourth Proportional to 98,539.03, 135,984.02 and 56,097.56

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Solution

The fourth proportional to 98,539.03, 135,984.02 and 56,097.56 is: 77,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,539.03 : 135,984.02 = 56,097.56 : x
  2. Step 2: Convert to fraction form
    98,539.03/135,984.02 = 56,097.56/x
  3. Step 3: Cross multiply
    98,539.03x = 135,984.02 × 56,097.56
  4. Step 4: Simplify right side
    98,539.03x = 7,628,371,780.46
  5. Step 5: Solve for x
    x = 7,628,371,780.46/98,539.03
  6. Step 6: Final answer
    x = 77,414.72

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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.