Home / 92,972.81-139,443.08-26,397.38

Finding the Fourth Proportional to 92,972.81, 139,443.08 and 26,397.38

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Solution

The fourth proportional to 92,972.81, 139,443.08 and 26,397.38 is: 39,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.81 : 139,443.08 = 26,397.38 : x
  2. Step 2: Convert to fraction form
    92,972.81/139,443.08 = 26,397.38/x
  3. Step 3: Cross multiply
    92,972.81x = 139,443.08 × 26,397.38
  4. Step 4: Simplify right side
    92,972.81x = 3,680,931,141.93
  5. Step 5: Solve for x
    x = 3,680,931,141.93/92,972.81
  6. Step 6: Final answer
    x = 39,591.48

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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.