Home / 64,646.10-89,205.30-36,349.56

Finding the Fourth Proportional to 64,646.10, 89,205.30 and 36,349.56

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Solution

The fourth proportional to 64,646.10, 89,205.30 and 36,349.56 is: 50,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.10 : 89,205.30 = 36,349.56 : x
  2. Step 2: Convert to fraction form
    64,646.10/89,205.30 = 36,349.56/x
  3. Step 3: Cross multiply
    64,646.10x = 89,205.30 × 36,349.56
  4. Step 4: Simplify right side
    64,646.10x = 3,242,573,404.67
  5. Step 5: Solve for x
    x = 3,242,573,404.67/64,646.10
  6. Step 6: Final answer
    x = 50,158.84

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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.