Home / 85,613.22-118,119.47-51,632.10

Finding the Fourth Proportional to 85,613.22, 118,119.47 and 51,632.10

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Solution

The fourth proportional to 85,613.22, 118,119.47 and 51,632.10 is: 71,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,613.22 : 118,119.47 = 51,632.10 : x
  2. Step 2: Convert to fraction form
    85,613.22/118,119.47 = 51,632.10/x
  3. Step 3: Cross multiply
    85,613.22x = 118,119.47 × 51,632.10
  4. Step 4: Simplify right side
    85,613.22x = 6,098,756,028.83
  5. Step 5: Solve for x
    x = 6,098,756,028.83/85,613.22
  6. Step 6: Final answer
    x = 71,236.15

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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.