Home / 109,498.54-151,103.38-61,756.33

Finding the Fourth Proportional to 109,498.54, 151,103.38 and 61,756.33

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Solution

The fourth proportional to 109,498.54, 151,103.38 and 61,756.33 is: 85,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,498.54 : 151,103.38 = 61,756.33 : x
  2. Step 2: Convert to fraction form
    109,498.54/151,103.38 = 61,756.33/x
  3. Step 3: Cross multiply
    109,498.54x = 151,103.38 × 61,756.33
  4. Step 4: Simplify right side
    109,498.54x = 9,331,590,199.40
  5. Step 5: Solve for x
    x = 9,331,590,199.40/109,498.54
  6. Step 6: Final answer
    x = 85,221.14

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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.