Home / 98,217.02-135,539.51-53,505.02

Finding the Fourth Proportional to 98,217.02, 135,539.51 and 53,505.02

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Solution

The fourth proportional to 98,217.02, 135,539.51 and 53,505.02 is: 73,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,217.02 : 135,539.51 = 53,505.02 : x
  2. Step 2: Convert to fraction form
    98,217.02/135,539.51 = 53,505.02/x
  3. Step 3: Cross multiply
    98,217.02x = 135,539.51 × 53,505.02
  4. Step 4: Simplify right side
    98,217.02x = 7,252,044,193.34
  5. Step 5: Solve for x
    x = 7,252,044,193.34/98,217.02
  6. Step 6: Final answer
    x = 73,836.94

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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.