Home / 67,281.63-92,848.64-39,003.72

Finding the Fourth Proportional to 67,281.63, 92,848.64 and 39,003.72

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Solution

The fourth proportional to 67,281.63, 92,848.64 and 39,003.72 is: 53,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,281.63 : 92,848.64 = 39,003.72 : x
  2. Step 2: Convert to fraction form
    67,281.63/92,848.64 = 39,003.72/x
  3. Step 3: Cross multiply
    67,281.63x = 92,848.64 × 39,003.72
  4. Step 4: Simplify right side
    67,281.63x = 3,621,442,356.94
  5. Step 5: Solve for x
    x = 3,621,442,356.94/67,281.63
  6. Step 6: Final answer
    x = 53,825.13

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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.