Home / 77,326.16-106,716.96-45,059.01

Finding the Fourth Proportional to 77,326.16, 106,716.96 and 45,059.01

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Solution

The fourth proportional to 77,326.16, 106,716.96 and 45,059.01 is: 62,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.16 : 106,716.96 = 45,059.01 : x
  2. Step 2: Convert to fraction form
    77,326.16/106,716.96 = 45,059.01/x
  3. Step 3: Cross multiply
    77,326.16x = 106,716.96 × 45,059.01
  4. Step 4: Simplify right side
    77,326.16x = 4,808,560,567.81
  5. Step 5: Solve for x
    x = 4,808,560,567.81/77,326.16
  6. Step 6: Final answer
    x = 62,185.43

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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.