Home / 116,931.04-161,374.40-65,941.12

Finding the Fourth Proportional to 116,931.04, 161,374.40 and 65,941.12

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Solution

The fourth proportional to 116,931.04, 161,374.40 and 65,941.12 is: 91,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,931.04 : 161,374.40 = 65,941.12 : x
  2. Step 2: Convert to fraction form
    116,931.04/161,374.40 = 65,941.12/x
  3. Step 3: Cross multiply
    116,931.04x = 161,374.40 × 65,941.12
  4. Step 4: Simplify right side
    116,931.04x = 10,641,208,675.33
  5. Step 5: Solve for x
    x = 10,641,208,675.33/116,931.04
  6. Step 6: Final answer
    x = 91,004.14

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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.