Home / 92,931.64-139,348.04-36,769.48

Finding the Fourth Proportional to 92,931.64, 139,348.04 and 36,769.48

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Solution

The fourth proportional to 92,931.64, 139,348.04 and 36,769.48 is: 55,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.64 : 139,348.04 = 36,769.48 : x
  2. Step 2: Convert to fraction form
    92,931.64/139,348.04 = 36,769.48/x
  3. Step 3: Cross multiply
    92,931.64x = 139,348.04 × 36,769.48
  4. Step 4: Simplify right side
    92,931.64x = 5,123,754,969.82
  5. Step 5: Solve for x
    x = 5,123,754,969.82/92,931.64
  6. Step 6: Final answer
    x = 55,134.67

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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.