Home / 77,758.29-116,642.69-26,446.06

Finding the Fourth Proportional to 77,758.29, 116,642.69 and 26,446.06

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Solution

The fourth proportional to 77,758.29, 116,642.69 and 26,446.06 is: 39,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,758.29 : 116,642.69 = 26,446.06 : x
  2. Step 2: Convert to fraction form
    77,758.29/116,642.69 = 26,446.06/x
  3. Step 3: Cross multiply
    77,758.29x = 116,642.69 × 26,446.06
  4. Step 4: Simplify right side
    77,758.29x = 3,084,739,154.46
  5. Step 5: Solve for x
    x = 3,084,739,154.46/77,758.29
  6. Step 6: Final answer
    x = 39,670.87

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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.