Home / 98,536.48-135,981.24-56,097.76

Finding the Fourth Proportional to 98,536.48, 135,981.24 and 56,097.76

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Solution

The fourth proportional to 98,536.48, 135,981.24 and 56,097.76 is: 77,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,536.48 : 135,981.24 = 56,097.76 : x
  2. Step 2: Convert to fraction form
    98,536.48/135,981.24 = 56,097.76/x
  3. Step 3: Cross multiply
    98,536.48x = 135,981.24 × 56,097.76
  4. Step 4: Simplify right side
    98,536.48x = 7,628,242,966.02
  5. Step 5: Solve for x
    x = 7,628,242,966.02/98,536.48
  6. Step 6: Final answer
    x = 77,415.42

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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.