Home / 109,845.05-151,585.03-61,446.35

Finding the Fourth Proportional to 109,845.05, 151,585.03 and 61,446.35

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Solution

The fourth proportional to 109,845.05, 151,585.03 and 61,446.35 is: 84,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.05 : 151,585.03 = 61,446.35 : x
  2. Step 2: Convert to fraction form
    109,845.05/151,585.03 = 61,446.35/x
  3. Step 3: Cross multiply
    109,845.05x = 151,585.03 × 61,446.35
  4. Step 4: Simplify right side
    109,845.05x = 9,314,346,808.14
  5. Step 5: Solve for x
    x = 9,314,346,808.14/109,845.05
  6. Step 6: Final answer
    x = 84,795.33

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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.