Home / 113,527.04-156,665.34-65,784.83

Finding the Fourth Proportional to 113,527.04, 156,665.34 and 65,784.83

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Solution

The fourth proportional to 113,527.04, 156,665.34 and 65,784.83 is: 90,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,527.04 : 156,665.34 = 65,784.83 : x
  2. Step 2: Convert to fraction form
    113,527.04/156,665.34 = 65,784.83/x
  3. Step 3: Cross multiply
    113,527.04x = 156,665.34 × 65,784.83
  4. Step 4: Simplify right side
    113,527.04x = 10,306,201,975.47
  5. Step 5: Solve for x
    x = 10,306,201,975.47/113,527.04
  6. Step 6: Final answer
    x = 90,781.92

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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.