Home / 73,963.13-102,070.73-40,429.13

Finding the Fourth Proportional to 73,963.13, 102,070.73 and 40,429.13

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Solution

The fourth proportional to 73,963.13, 102,070.73 and 40,429.13 is: 55,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,963.13 : 102,070.73 = 40,429.13 : x
  2. Step 2: Convert to fraction form
    73,963.13/102,070.73 = 40,429.13/x
  3. Step 3: Cross multiply
    73,963.13x = 102,070.73 × 40,429.13
  4. Step 4: Simplify right side
    73,963.13x = 4,126,630,403.08
  5. Step 5: Solve for x
    x = 4,126,630,403.08/73,963.13
  6. Step 6: Final answer
    x = 55,793.08

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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.