Home / 92,931.14-139,347.30-36,768.98

Finding the Fourth Proportional to 92,931.14, 139,347.30 and 36,768.98

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Solution

The fourth proportional to 92,931.14, 139,347.30 and 36,768.98 is: 55,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.14 : 139,347.30 = 36,768.98 : x
  2. Step 2: Convert to fraction form
    92,931.14/139,347.30 = 36,768.98/x
  3. Step 3: Cross multiply
    92,931.14x = 139,347.30 × 36,768.98
  4. Step 4: Simplify right side
    92,931.14x = 5,123,658,086.75
  5. Step 5: Solve for x
    x = 5,123,658,086.75/92,931.14
  6. Step 6: Final answer
    x = 55,133.92

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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.