Home / 76,880.09-106,106.20-46,659.57

Finding the Fourth Proportional to 76,880.09, 106,106.20 and 46,659.57

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Solution

The fourth proportional to 76,880.09, 106,106.20 and 46,659.57 is: 64,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880.09 : 106,106.20 = 46,659.57 : x
  2. Step 2: Convert to fraction form
    76,880.09/106,106.20 = 46,659.57/x
  3. Step 3: Cross multiply
    76,880.09x = 106,106.20 × 46,659.57
  4. Step 4: Simplify right side
    76,880.09x = 4,950,869,712.67
  5. Step 5: Solve for x
    x = 4,950,869,712.67/76,880.09
  6. Step 6: Final answer
    x = 64,397.30

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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.