Home / 73,966.08-102,083.76-42,137.92

Finding the Fourth Proportional to 73,966.08, 102,083.76 and 42,137.92

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Solution

The fourth proportional to 73,966.08, 102,083.76 and 42,137.92 is: 58,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,966.08 : 102,083.76 = 42,137.92 : x
  2. Step 2: Convert to fraction form
    73,966.08/102,083.76 = 42,137.92/x
  3. Step 3: Cross multiply
    73,966.08x = 102,083.76 × 42,137.92
  4. Step 4: Simplify right side
    73,966.08x = 4,301,597,312.18
  5. Step 5: Solve for x
    x = 4,301,597,312.18/73,966.08
  6. Step 6: Final answer
    x = 58,156.35

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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.