Home / 85,475.64-117,925.02-53,632.92

Finding the Fourth Proportional to 85,475.64, 117,925.02 and 53,632.92

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Solution

The fourth proportional to 85,475.64, 117,925.02 and 53,632.92 is: 73,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475.64 : 117,925.02 = 53,632.92 : x
  2. Step 2: Convert to fraction form
    85,475.64/117,925.02 = 53,632.92/x
  3. Step 3: Cross multiply
    85,475.64x = 117,925.02 × 53,632.92
  4. Step 4: Simplify right side
    85,475.64x = 6,324,663,163.66
  5. Step 5: Solve for x
    x = 6,324,663,163.66/85,475.64
  6. Step 6: Final answer
    x = 73,993.75

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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.