Home / 85,230.34-117,574.62-65,052.19

Finding the Fourth Proportional to 85,230.34, 117,574.62 and 65,052.19

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Solution

The fourth proportional to 85,230.34, 117,574.62 and 65,052.19 is: 89,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,230.34 : 117,574.62 = 65,052.19 : x
  2. Step 2: Convert to fraction form
    85,230.34/117,574.62 = 65,052.19/x
  3. Step 3: Cross multiply
    85,230.34x = 117,574.62 × 65,052.19
  4. Step 4: Simplify right side
    85,230.34x = 7,648,486,519.42
  5. Step 5: Solve for x
    x = 7,648,486,519.42/85,230.34
  6. Step 6: Final answer
    x = 89,739.01

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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.