Home / 85,027.04-127,545.52-25,864.80

Finding the Fourth Proportional to 85,027.04, 127,545.52 and 25,864.80

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Solution

The fourth proportional to 85,027.04, 127,545.52 and 25,864.80 is: 38,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,027.04 : 127,545.52 = 25,864.80 : x
  2. Step 2: Convert to fraction form
    85,027.04/127,545.52 = 25,864.80/x
  3. Step 3: Cross multiply
    85,027.04x = 127,545.52 × 25,864.80
  4. Step 4: Simplify right side
    85,027.04x = 3,298,939,365.70
  5. Step 5: Solve for x
    x = 3,298,939,365.70/85,027.04
  6. Step 6: Final answer
    x = 38,798.71

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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.