Home / 98,512.02-135,948.24-56,074.50

Finding the Fourth Proportional to 98,512.02, 135,948.24 and 56,074.50

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Solution

The fourth proportional to 98,512.02, 135,948.24 and 56,074.50 is: 77,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,512.02 : 135,948.24 = 56,074.50 : x
  2. Step 2: Convert to fraction form
    98,512.02/135,948.24 = 56,074.50/x
  3. Step 3: Cross multiply
    98,512.02x = 135,948.24 × 56,074.50
  4. Step 4: Simplify right side
    98,512.02x = 7,623,229,583.88
  5. Step 5: Solve for x
    x = 7,623,229,583.88/98,512.02
  6. Step 6: Final answer
    x = 77,383.75

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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.