Home / 85,035.42-117,336.50-51,036.68

Finding the Fourth Proportional to 85,035.42, 117,336.50 and 51,036.68

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Solution

The fourth proportional to 85,035.42, 117,336.50 and 51,036.68 is: 70,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.42 : 117,336.50 = 51,036.68 : x
  2. Step 2: Convert to fraction form
    85,035.42/117,336.50 = 51,036.68/x
  3. Step 3: Cross multiply
    85,035.42x = 117,336.50 × 51,036.68
  4. Step 4: Simplify right side
    85,035.42x = 5,988,465,632.37
  5. Step 5: Solve for x
    x = 5,988,465,632.37/85,035.42
  6. Step 6: Final answer
    x = 70,423.19

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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.