Home / 82,931.04-114,448.32-45,207.36

Finding the Fourth Proportional to 82,931.04, 114,448.32 and 45,207.36

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Solution

The fourth proportional to 82,931.04, 114,448.32 and 45,207.36 is: 62,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,931.04 : 114,448.32 = 45,207.36 : x
  2. Step 2: Convert to fraction form
    82,931.04/114,448.32 = 45,207.36/x
  3. Step 3: Cross multiply
    82,931.04x = 114,448.32 × 45,207.36
  4. Step 4: Simplify right side
    82,931.04x = 5,173,906,403.64
  5. Step 5: Solve for x
    x = 5,173,906,403.64/82,931.04
  6. Step 6: Final answer
    x = 62,388.06

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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.