Home / 92,889.45-128,185.34-50,447.07

Finding the Fourth Proportional to 92,889.45, 128,185.34 and 50,447.07

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Solution

The fourth proportional to 92,889.45, 128,185.34 and 50,447.07 is: 69,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,889.45 : 128,185.34 = 50,447.07 : x
  2. Step 2: Convert to fraction form
    92,889.45/128,185.34 = 50,447.07/x
  3. Step 3: Cross multiply
    92,889.45x = 128,185.34 × 50,447.07
  4. Step 4: Simplify right side
    92,889.45x = 6,466,574,567.72
  5. Step 5: Solve for x
    x = 6,466,574,567.72/92,889.45
  6. Step 6: Final answer
    x = 69,615.81

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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.