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Finding the Fourth Proportional to 65,275.74, 90,085.50 and 36,598.03

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Solution

The fourth proportional to 65,275.74, 90,085.50 and 36,598.03 is: 50,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,275.74 : 90,085.50 = 36,598.03 : x
  2. Step 2: Convert to fraction form
    65,275.74/90,085.50 = 36,598.03/x
  3. Step 3: Cross multiply
    65,275.74x = 90,085.50 × 36,598.03
  4. Step 4: Simplify right side
    65,275.74x = 3,296,951,606.35
  5. Step 5: Solve for x
    x = 3,296,951,606.35/65,275.74
  6. Step 6: Final answer
    x = 50,508.07

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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.