Home / 43,143.06-64,631.61-26,454.42

Finding the Fourth Proportional to 43,143.06, 64,631.61 and 26,454.42

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Solution

The fourth proportional to 43,143.06, 64,631.61 and 26,454.42 is: 39,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.06 : 64,631.61 = 26,454.42 : x
  2. Step 2: Convert to fraction form
    43,143.06/64,631.61 = 26,454.42/x
  3. Step 3: Cross multiply
    43,143.06x = 64,631.61 × 26,454.42
  4. Step 4: Simplify right side
    43,143.06x = 1,709,791,756.22
  5. Step 5: Solve for x
    x = 1,709,791,756.22/43,143.06
  6. Step 6: Final answer
    x = 39,630.75

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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.