Home / 77,813.11-116,756.11-38,348.69

Finding the Fourth Proportional to 77,813.11, 116,756.11 and 38,348.69

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Solution

The fourth proportional to 77,813.11, 116,756.11 and 38,348.69 is: 57,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813.11 : 116,756.11 = 38,348.69 : x
  2. Step 2: Convert to fraction form
    77,813.11/116,756.11 = 38,348.69/x
  3. Step 3: Cross multiply
    77,813.11x = 116,756.11 × 38,348.69
  4. Step 4: Simplify right side
    77,813.11x = 4,477,444,207.82
  5. Step 5: Solve for x
    x = 4,477,444,207.82/77,813.11
  6. Step 6: Final answer
    x = 57,541.00

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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.