Home / 64,228.20-96,327.90-42,196.20

Finding the Fourth Proportional to 64,228.20, 96,327.90 and 42,196.20

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Solution

The fourth proportional to 64,228.20, 96,327.90 and 42,196.20 is: 63,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.20 : 96,327.90 = 42,196.20 : x
  2. Step 2: Convert to fraction form
    64,228.20/96,327.90 = 42,196.20/x
  3. Step 3: Cross multiply
    64,228.20x = 96,327.90 × 42,196.20
  4. Step 4: Simplify right side
    64,228.20x = 4,064,671,333.98
  5. Step 5: Solve for x
    x = 4,064,671,333.98/64,228.20
  6. Step 6: Final answer
    x = 63,284.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.