Home / 86,077.43-129,123.58-23,747.93

Finding the Fourth Proportional to 86,077.43, 129,123.58 and 23,747.93

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Solution

The fourth proportional to 86,077.43, 129,123.58 and 23,747.93 is: 35,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,077.43 : 129,123.58 = 23,747.93 : x
  2. Step 2: Convert to fraction form
    86,077.43/129,123.58 = 23,747.93/x
  3. Step 3: Cross multiply
    86,077.43x = 129,123.58 × 23,747.93
  4. Step 4: Simplify right side
    86,077.43x = 3,066,417,739.19
  5. Step 5: Solve for x
    x = 3,066,417,739.19/86,077.43
  6. Step 6: Final answer
    x = 35,623.95

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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.