Home / 65,566.39-90,433.18-45,154.94

Finding the Fourth Proportional to 65,566.39, 90,433.18 and 45,154.94

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Solution

The fourth proportional to 65,566.39, 90,433.18 and 45,154.94 is: 62,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.39 : 90,433.18 = 45,154.94 : x
  2. Step 2: Convert to fraction form
    65,566.39/90,433.18 = 45,154.94/x
  3. Step 3: Cross multiply
    65,566.39x = 90,433.18 × 45,154.94
  4. Step 4: Simplify right side
    65,566.39x = 4,083,504,364.74
  5. Step 5: Solve for x
    x = 4,083,504,364.74/65,566.39
  6. Step 6: Final answer
    x = 62,280.45

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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.