Home / 122,041.02-168,408.63-68,325.54

Finding the Fourth Proportional to 122,041.02, 168,408.63 and 68,325.54

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Solution

The fourth proportional to 122,041.02, 168,408.63 and 68,325.54 is: 94,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,041.02 : 168,408.63 = 68,325.54 : x
  2. Step 2: Convert to fraction form
    122,041.02/168,408.63 = 68,325.54/x
  3. Step 3: Cross multiply
    122,041.02x = 168,408.63 × 68,325.54
  4. Step 4: Simplify right side
    122,041.02x = 11,506,610,585.41
  5. Step 5: Solve for x
    x = 11,506,610,585.41/122,041.02
  6. Step 6: Final answer
    x = 94,284.78

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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.