Home / 109,541.16-151,170.66-61,796.52

Finding the Fourth Proportional to 109,541.16, 151,170.66 and 61,796.52

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Solution

The fourth proportional to 109,541.16, 151,170.66 and 61,796.52 is: 85,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,541.16 : 151,170.66 = 61,796.52 : x
  2. Step 2: Convert to fraction form
    109,541.16/151,170.66 = 61,796.52/x
  3. Step 3: Cross multiply
    109,541.16x = 151,170.66 × 61,796.52
  4. Step 4: Simplify right side
    109,541.16x = 9,341,820,714.10
  5. Step 5: Solve for x
    x = 9,341,820,714.10/109,541.16
  6. Step 6: Final answer
    x = 85,281.37

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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.