Home / 89,011.02-122,826.87-53,193.90

Finding the Fourth Proportional to 89,011.02, 122,826.87 and 53,193.90

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Solution

The fourth proportional to 89,011.02, 122,826.87 and 53,193.90 is: 73,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.02 : 122,826.87 = 53,193.90 : x
  2. Step 2: Convert to fraction form
    89,011.02/122,826.87 = 53,193.90/x
  3. Step 3: Cross multiply
    89,011.02x = 122,826.87 × 53,193.90
  4. Step 4: Simplify right side
    89,011.02x = 6,533,640,240.09
  5. Step 5: Solve for x
    x = 6,533,640,240.09/89,011.02
  6. Step 6: Final answer
    x = 73,402.60

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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.