Home / 85,953.68-128,927.82-23,623.64

Finding the Fourth Proportional to 85,953.68, 128,927.82 and 23,623.64

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Solution

The fourth proportional to 85,953.68, 128,927.82 and 23,623.64 is: 35,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.68 : 128,927.82 = 23,623.64 : x
  2. Step 2: Convert to fraction form
    85,953.68/128,927.82 = 23,623.64/x
  3. Step 3: Cross multiply
    85,953.68x = 128,927.82 × 23,623.64
  4. Step 4: Simplify right side
    85,953.68x = 3,045,744,405.66
  5. Step 5: Solve for x
    x = 3,045,744,405.66/85,953.68
  6. Step 6: Final answer
    x = 35,434.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.