Home / 77,337.10-116,491.66-70,361.92

Finding the Fourth Proportional to 77,337.10, 116,491.66 and 70,361.92

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Solution

The fourth proportional to 77,337.10, 116,491.66 and 70,361.92 is: 105,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337.10 : 116,491.66 = 70,361.92 : x
  2. Step 2: Convert to fraction form
    77,337.10/116,491.66 = 70,361.92/x
  3. Step 3: Cross multiply
    77,337.10x = 116,491.66 × 70,361.92
  4. Step 4: Simplify right side
    77,337.10x = 8,196,576,861.59
  5. Step 5: Solve for x
    x = 8,196,576,861.59/77,337.10
  6. Step 6: Final answer
    x = 105,985.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.