Home / 77,586.69-116,431.06-42,550.95

Finding the Fourth Proportional to 77,586.69, 116,431.06 and 42,550.95

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Solution

The fourth proportional to 77,586.69, 116,431.06 and 42,550.95 is: 63,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,586.69 : 116,431.06 = 42,550.95 : x
  2. Step 2: Convert to fraction form
    77,586.69/116,431.06 = 42,550.95/x
  3. Step 3: Cross multiply
    77,586.69x = 116,431.06 × 42,550.95
  4. Step 4: Simplify right side
    77,586.69x = 4,954,251,523.97
  5. Step 5: Solve for x
    x = 4,954,251,523.97/77,586.69
  6. Step 6: Final answer
    x = 63,854.40

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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.