Home / 93,692.12-129,293.16-51,249.20

Finding the Fourth Proportional to 93,692.12, 129,293.16 and 51,249.20

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Solution

The fourth proportional to 93,692.12, 129,293.16 and 51,249.20 is: 70,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,692.12 : 129,293.16 = 51,249.20 : x
  2. Step 2: Convert to fraction form
    93,692.12/129,293.16 = 51,249.20/x
  3. Step 3: Cross multiply
    93,692.12x = 129,293.16 × 51,249.20
  4. Step 4: Simplify right side
    93,692.12x = 6,626,171,015.47
  5. Step 5: Solve for x
    x = 6,626,171,015.47/93,692.12
  6. Step 6: Final answer
    x = 70,722.82

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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.