Home / 74,547.07-102,874.11-55,511.98

Finding the Fourth Proportional to 74,547.07, 102,874.11 and 55,511.98

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Solution

The fourth proportional to 74,547.07, 102,874.11 and 55,511.98 is: 76,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,547.07 : 102,874.11 = 55,511.98 : x
  2. Step 2: Convert to fraction form
    74,547.07/102,874.11 = 55,511.98/x
  3. Step 3: Cross multiply
    74,547.07x = 102,874.11 × 55,511.98
  4. Step 4: Simplify right side
    74,547.07x = 5,710,745,536.84
  5. Step 5: Solve for x
    x = 5,710,745,536.84/74,547.07
  6. Step 6: Final answer
    x = 76,605.90

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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.