Home / 109,523.34-151,140.69-61,792.02

Finding the Fourth Proportional to 109,523.34, 151,140.69 and 61,792.02

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Solution

The fourth proportional to 109,523.34, 151,140.69 and 61,792.02 is: 85,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.34 : 151,140.69 = 61,792.02 : x
  2. Step 2: Convert to fraction form
    109,523.34/151,140.69 = 61,792.02/x
  3. Step 3: Cross multiply
    109,523.34x = 151,140.69 × 61,792.02
  4. Step 4: Simplify right side
    109,523.34x = 9,339,288,539.29
  5. Step 5: Solve for x
    x = 9,339,288,539.29/109,523.34
  6. Step 6: Final answer
    x = 85,272.13

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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.