Home / 65,830.28-90,843.54-37,545.08

Finding the Fourth Proportional to 65,830.28, 90,843.54 and 37,545.08

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Solution

The fourth proportional to 65,830.28, 90,843.54 and 37,545.08 is: 51,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,830.28 : 90,843.54 = 37,545.08 : x
  2. Step 2: Convert to fraction form
    65,830.28/90,843.54 = 37,545.08/x
  3. Step 3: Cross multiply
    65,830.28x = 90,843.54 × 37,545.08
  4. Step 4: Simplify right side
    65,830.28x = 3,410,727,976.78
  5. Step 5: Solve for x
    x = 3,410,727,976.78/65,830.28
  6. Step 6: Final answer
    x = 51,810.93

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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.