Home / 67,856.87-101,681.51-36,271.43

Finding the Fourth Proportional to 67,856.87, 101,681.51 and 36,271.43

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Solution

The fourth proportional to 67,856.87, 101,681.51 and 36,271.43 is: 54,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.87 : 101,681.51 = 36,271.43 : x
  2. Step 2: Convert to fraction form
    67,856.87/101,681.51 = 36,271.43/x
  3. Step 3: Cross multiply
    67,856.87x = 101,681.51 × 36,271.43
  4. Step 4: Simplify right side
    67,856.87x = 3,688,133,772.26
  5. Step 5: Solve for x
    x = 3,688,133,772.26/67,856.87
  6. Step 6: Final answer
    x = 54,351.66

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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.