Home / 75,519.60-113,279.40-26,271.60

Finding the Fourth Proportional to 75,519.60, 113,279.40 and 26,271.60

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Solution

The fourth proportional to 75,519.60, 113,279.40 and 26,271.60 is: 39,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,519.60 : 113,279.40 = 26,271.60 : x
  2. Step 2: Convert to fraction form
    75,519.60/113,279.40 = 26,271.60/x
  3. Step 3: Cross multiply
    75,519.60x = 113,279.40 × 26,271.60
  4. Step 4: Simplify right side
    75,519.60x = 2,976,031,085.04
  5. Step 5: Solve for x
    x = 2,976,031,085.04/75,519.60
  6. Step 6: Final answer
    x = 39,407.40

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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.