Home / 67,200.39-92,705.51-40,296.24

Finding the Fourth Proportional to 67,200.39, 92,705.51 and 40,296.24

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Solution

The fourth proportional to 67,200.39, 92,705.51 and 40,296.24 is: 55,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.39 : 92,705.51 = 40,296.24 : x
  2. Step 2: Convert to fraction form
    67,200.39/92,705.51 = 40,296.24/x
  3. Step 3: Cross multiply
    67,200.39x = 92,705.51 × 40,296.24
  4. Step 4: Simplify right side
    67,200.39x = 3,735,683,581.02
  5. Step 5: Solve for x
    x = 3,735,683,581.02/67,200.39
  6. Step 6: Final answer
    x = 55,590.21

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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.