Home / 83,664.64-115,457.40-45,941.32

Finding the Fourth Proportional to 83,664.64, 115,457.40 and 45,941.32

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Solution

The fourth proportional to 83,664.64, 115,457.40 and 45,941.32 is: 63,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.64 : 115,457.40 = 45,941.32 : x
  2. Step 2: Convert to fraction form
    83,664.64/115,457.40 = 45,941.32/x
  3. Step 3: Cross multiply
    83,664.64x = 115,457.40 × 45,941.32
  4. Step 4: Simplify right side
    83,664.64x = 5,304,265,359.77
  5. Step 5: Solve for x
    x = 5,304,265,359.77/83,664.64
  6. Step 6: Final answer
    x = 63,399.13

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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.