Home / 77,810.72-116,686.68-25,206.08

Finding the Fourth Proportional to 77,810.72, 116,686.68 and 25,206.08

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Solution

The fourth proportional to 77,810.72, 116,686.68 and 25,206.08 is: 37,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,810.72 : 116,686.68 = 25,206.08 : x
  2. Step 2: Convert to fraction form
    77,810.72/116,686.68 = 25,206.08/x
  3. Step 3: Cross multiply
    77,810.72x = 116,686.68 × 25,206.08
  4. Step 4: Simplify right side
    77,810.72x = 2,941,213,791.01
  5. Step 5: Solve for x
    x = 2,941,213,791.01/77,810.72
  6. Step 6: Final answer
    x = 37,799.60

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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.