Home / 92,945.68-128,264.80-50,504.21

Finding the Fourth Proportional to 92,945.68, 128,264.80 and 50,504.21

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Solution

The fourth proportional to 92,945.68, 128,264.80 and 50,504.21 is: 69,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.68 : 128,264.80 = 50,504.21 : x
  2. Step 2: Convert to fraction form
    92,945.68/128,264.80 = 50,504.21/x
  3. Step 3: Cross multiply
    92,945.68x = 128,264.80 × 50,504.21
  4. Step 4: Simplify right side
    92,945.68x = 6,477,912,394.81
  5. Step 5: Solve for x
    x = 6,477,912,394.81/92,945.68
  6. Step 6: Final answer
    x = 69,695.68

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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.