Home / 77,081.75-106,366.93-46,862.88

Finding the Fourth Proportional to 77,081.75, 106,366.93 and 46,862.88

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Solution

The fourth proportional to 77,081.75, 106,366.93 and 46,862.88 is: 64,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,081.75 : 106,366.93 = 46,862.88 : x
  2. Step 2: Convert to fraction form
    77,081.75/106,366.93 = 46,862.88/x
  3. Step 3: Cross multiply
    77,081.75x = 106,366.93 × 46,862.88
  4. Step 4: Simplify right side
    77,081.75x = 4,984,660,336.26
  5. Step 5: Solve for x
    x = 4,984,660,336.26/77,081.75
  6. Step 6: Final answer
    x = 64,667.19

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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.