Home / 77,534.14-106,984.31-45,709.19

Finding the Fourth Proportional to 77,534.14, 106,984.31 and 45,709.19

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Solution

The fourth proportional to 77,534.14, 106,984.31 and 45,709.19 is: 63,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,534.14 : 106,984.31 = 45,709.19 : x
  2. Step 2: Convert to fraction form
    77,534.14/106,984.31 = 45,709.19/x
  3. Step 3: Cross multiply
    77,534.14x = 106,984.31 × 45,709.19
  4. Step 4: Simplify right side
    77,534.14x = 4,890,165,732.16
  5. Step 5: Solve for x
    x = 4,890,165,732.16/77,534.14
  6. Step 6: Final answer
    x = 63,071.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.