Home / 85,004.10-117,300.96-47,275.92

Finding the Fourth Proportional to 85,004.10, 117,300.96 and 47,275.92

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Solution

The fourth proportional to 85,004.10, 117,300.96 and 47,275.92 is: 65,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.10 : 117,300.96 = 47,275.92 : x
  2. Step 2: Convert to fraction form
    85,004.10/117,300.96 = 47,275.92/x
  3. Step 3: Cross multiply
    85,004.10x = 117,300.96 × 47,275.92
  4. Step 4: Simplify right side
    85,004.10x = 5,545,510,800.88
  5. Step 5: Solve for x
    x = 5,545,510,800.88/85,004.10
  6. Step 6: Final answer
    x = 65,238.16

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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.