Home / 109,673.38-151,349.28-59,372.38

Finding the Fourth Proportional to 109,673.38, 151,349.28 and 59,372.38

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Solution

The fourth proportional to 109,673.38, 151,349.28 and 59,372.38 is: 81,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.38 : 151,349.28 = 59,372.38 : x
  2. Step 2: Convert to fraction form
    109,673.38/151,349.28 = 59,372.38/x
  3. Step 3: Cross multiply
    109,673.38x = 151,349.28 × 59,372.38
  4. Step 4: Simplify right side
    109,673.38x = 8,985,966,208.14
  5. Step 5: Solve for x
    x = 8,985,966,208.14/109,673.38
  6. Step 6: Final answer
    x = 81,933.89

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1.5x scale

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.