Home / 109,325.16-150,869.25-61,579.26

Finding the Fourth Proportional to 109,325.16, 150,869.25 and 61,579.26

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Solution

The fourth proportional to 109,325.16, 150,869.25 and 61,579.26 is: 84,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,325.16 : 150,869.25 = 61,579.26 : x
  2. Step 2: Convert to fraction form
    109,325.16/150,869.25 = 61,579.26/x
  3. Step 3: Cross multiply
    109,325.16x = 150,869.25 × 61,579.26
  4. Step 4: Simplify right side
    109,325.16x = 9,290,416,771.76
  5. Step 5: Solve for x
    x = 9,290,416,771.76/109,325.16
  6. Step 6: Final answer
    x = 84,979.68

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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.