Home / 65,624.74-90,551.46-38,763.52

Finding the Fourth Proportional to 65,624.74, 90,551.46 and 38,763.52

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Solution

The fourth proportional to 65,624.74, 90,551.46 and 38,763.52 is: 53,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,624.74 : 90,551.46 = 38,763.52 : x
  2. Step 2: Convert to fraction form
    65,624.74/90,551.46 = 38,763.52/x
  3. Step 3: Cross multiply
    65,624.74x = 90,551.46 × 38,763.52
  4. Step 4: Simplify right side
    65,624.74x = 3,510,093,330.74
  5. Step 5: Solve for x
    x = 3,510,093,330.74/65,624.74
  6. Step 6: Final answer
    x = 53,487.35

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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.