Home / 79,346.16-109,528.19-53,863.92

Finding the Fourth Proportional to 79,346.16, 109,528.19 and 53,863.92

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Solution

The fourth proportional to 79,346.16, 109,528.19 and 53,863.92 is: 74,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.16 : 109,528.19 = 53,863.92 : x
  2. Step 2: Convert to fraction form
    79,346.16/109,528.19 = 53,863.92/x
  3. Step 3: Cross multiply
    79,346.16x = 109,528.19 × 53,863.92
  4. Step 4: Simplify right side
    79,346.16x = 5,899,617,596.57
  5. Step 5: Solve for x
    x = 5,899,617,596.57/79,346.16
  6. Step 6: Final answer
    x = 74,352.91

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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.