Home / 67,117.60-92,622-36,904.84

Finding the Fourth Proportional to 67,117.60, 92,622 and 36,904.84

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Solution

The fourth proportional to 67,117.60, 92,622 and 36,904.84 is: 50,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,117.60 : 92,622 = 36,904.84 : x
  2. Step 2: Convert to fraction form
    67,117.60/92,622 = 36,904.84/x
  3. Step 3: Cross multiply
    67,117.60x = 92,622 × 36,904.84
  4. Step 4: Simplify right side
    67,117.60x = 3,418,200,090.48
  5. Step 5: Solve for x
    x = 3,418,200,090.48/67,117.60
  6. Step 6: Final answer
    x = 50,928.52

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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.