Home / 74,790.26-112,122.47-34,788.92

Finding the Fourth Proportional to 74,790.26, 112,122.47 and 34,788.92

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Solution

The fourth proportional to 74,790.26, 112,122.47 and 34,788.92 is: 52,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.26 : 112,122.47 = 34,788.92 : x
  2. Step 2: Convert to fraction form
    74,790.26/112,122.47 = 34,788.92/x
  3. Step 3: Cross multiply
    74,790.26x = 112,122.47 × 34,788.92
  4. Step 4: Simplify right side
    74,790.26x = 3,900,619,639.03
  5. Step 5: Solve for x
    x = 3,900,619,639.03/74,790.26
  6. Step 6: Final answer
    x = 52,154.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.