Home / 45,221.90-62,409.40-25,080.70

Finding the Fourth Proportional to 45,221.90, 62,409.40 and 25,080.70

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Solution

The fourth proportional to 45,221.90, 62,409.40 and 25,080.70 is: 34,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.90 : 62,409.40 = 25,080.70 : x
  2. Step 2: Convert to fraction form
    45,221.90/62,409.40 = 25,080.70/x
  3. Step 3: Cross multiply
    45,221.90x = 62,409.40 × 25,080.70
  4. Step 4: Simplify right side
    45,221.90x = 1,565,271,438.58
  5. Step 5: Solve for x
    x = 1,565,271,438.58/45,221.90
  6. Step 6: Final answer
    x = 34,613.13

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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.