Home / 109,599.06-151,246.81-61,851.39

Finding the Fourth Proportional to 109,599.06, 151,246.81 and 61,851.39

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Solution

The fourth proportional to 109,599.06, 151,246.81 and 61,851.39 is: 85,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.06 : 151,246.81 = 61,851.39 : x
  2. Step 2: Convert to fraction form
    109,599.06/151,246.81 = 61,851.39/x
  3. Step 3: Cross multiply
    109,599.06x = 151,246.81 × 61,851.39
  4. Step 4: Simplify right side
    109,599.06x = 9,354,825,431.57
  5. Step 5: Solve for x
    x = 9,354,825,431.57/109,599.06
  6. Step 6: Final answer
    x = 85,354.98

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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.