Home / 67,239.93-100,875.69-37,678.17

Finding the Fourth Proportional to 67,239.93, 100,875.69 and 37,678.17

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Solution

The fourth proportional to 67,239.93, 100,875.69 and 37,678.17 is: 56,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.93 : 100,875.69 = 37,678.17 : x
  2. Step 2: Convert to fraction form
    67,239.93/100,875.69 = 37,678.17/x
  3. Step 3: Cross multiply
    67,239.93x = 100,875.69 × 37,678.17
  4. Step 4: Simplify right side
    67,239.93x = 3,800,811,396.69
  5. Step 5: Solve for x
    x = 3,800,811,396.69/67,239.93
  6. Step 6: Final answer
    x = 56,526.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.