Home / 92,974.23-128,300.22-52,685.64

Finding the Fourth Proportional to 92,974.23, 128,300.22 and 52,685.64

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Solution

The fourth proportional to 92,974.23, 128,300.22 and 52,685.64 is: 72,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.23 : 128,300.22 = 52,685.64 : x
  2. Step 2: Convert to fraction form
    92,974.23/128,300.22 = 52,685.64/x
  3. Step 3: Cross multiply
    92,974.23x = 128,300.22 × 52,685.64
  4. Step 4: Simplify right side
    92,974.23x = 6,759,579,202.84
  5. Step 5: Solve for x
    x = 6,759,579,202.84/92,974.23
  6. Step 6: Final answer
    x = 72,703.79

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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.