Home / 109,337.40-150,883.38-61,590.60

Finding the Fourth Proportional to 109,337.40, 150,883.38 and 61,590.60

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Solution

The fourth proportional to 109,337.40, 150,883.38 and 61,590.60 is: 84,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,337.40 : 150,883.38 = 61,590.60 : x
  2. Step 2: Convert to fraction form
    109,337.40/150,883.38 = 61,590.60/x
  3. Step 3: Cross multiply
    109,337.40x = 150,883.38 × 61,590.60
  4. Step 4: Simplify right side
    109,337.40x = 9,292,997,904.23
  5. Step 5: Solve for x
    x = 9,292,997,904.23/109,337.40
  6. Step 6: Final answer
    x = 84,993.77

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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.