Home / 75,461.76-104,109.60-52,836.48

Finding the Fourth Proportional to 75,461.76, 104,109.60 and 52,836.48

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Solution

The fourth proportional to 75,461.76, 104,109.60 and 52,836.48 is: 72,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.76 : 104,109.60 = 52,836.48 : x
  2. Step 2: Convert to fraction form
    75,461.76/104,109.60 = 52,836.48/x
  3. Step 3: Cross multiply
    75,461.76x = 104,109.60 × 52,836.48
  4. Step 4: Simplify right side
    75,461.76x = 5,500,784,798.21
  5. Step 5: Solve for x
    x = 5,500,784,798.21/75,461.76
  6. Step 6: Final answer
    x = 72,895.00

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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.