Home / 92,972.53-139,468.02-29,776.78

Finding the Fourth Proportional to 92,972.53, 139,468.02 and 29,776.78

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Solution

The fourth proportional to 92,972.53, 139,468.02 and 29,776.78 is: 44,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.53 : 139,468.02 = 29,776.78 : x
  2. Step 2: Convert to fraction form
    92,972.53/139,468.02 = 29,776.78/x
  3. Step 3: Cross multiply
    92,972.53x = 139,468.02 × 29,776.78
  4. Step 4: Simplify right side
    92,972.53x = 4,152,908,548.58
  5. Step 5: Solve for x
    x = 4,152,908,548.58/92,972.53
  6. Step 6: Final answer
    x = 44,668.12

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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.