Home / 85,545.04-128,227.34-35,574.82

Finding the Fourth Proportional to 85,545.04, 128,227.34 and 35,574.82

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Solution

The fourth proportional to 85,545.04, 128,227.34 and 35,574.82 is: 53,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,545.04 : 128,227.34 = 35,574.82 : x
  2. Step 2: Convert to fraction form
    85,545.04/128,227.34 = 35,574.82/x
  3. Step 3: Cross multiply
    85,545.04x = 128,227.34 × 35,574.82
  4. Step 4: Simplify right side
    85,545.04x = 4,561,664,539.58
  5. Step 5: Solve for x
    x = 4,561,664,539.58/85,545.04
  6. Step 6: Final answer
    x = 53,324.71

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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.