Home / 109,842.18-151,585.80-60,784.38

Finding the Fourth Proportional to 109,842.18, 151,585.80 and 60,784.38

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Solution

The fourth proportional to 109,842.18, 151,585.80 and 60,784.38 is: 83,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,842.18 : 151,585.80 = 60,784.38 : x
  2. Step 2: Convert to fraction form
    109,842.18/151,585.80 = 60,784.38/x
  3. Step 3: Cross multiply
    109,842.18x = 151,585.80 × 60,784.38
  4. Step 4: Simplify right side
    109,842.18x = 9,214,048,869.80
  5. Step 5: Solve for x
    x = 9,214,048,869.80/109,842.18
  6. Step 6: Final answer
    x = 83,884.43

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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.