Home / 85,125.23-117,473.63-46,885.64

Finding the Fourth Proportional to 85,125.23, 117,473.63 and 46,885.64

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Solution

The fourth proportional to 85,125.23, 117,473.63 and 46,885.64 is: 64,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,125.23 : 117,473.63 = 46,885.64 : x
  2. Step 2: Convert to fraction form
    85,125.23/117,473.63 = 46,885.64/x
  3. Step 3: Cross multiply
    85,125.23x = 117,473.63 × 46,885.64
  4. Step 4: Simplify right side
    85,125.23x = 5,507,826,736.57
  5. Step 5: Solve for x
    x = 5,507,826,736.57/85,125.23
  6. Step 6: Final answer
    x = 64,702.64

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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.