Home / 64,548.48-89,045.28-39,354.24

Finding the Fourth Proportional to 64,548.48, 89,045.28 and 39,354.24

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Solution

The fourth proportional to 64,548.48, 89,045.28 and 39,354.24 is: 54,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,548.48 : 89,045.28 = 39,354.24 : x
  2. Step 2: Convert to fraction form
    64,548.48/89,045.28 = 39,354.24/x
  3. Step 3: Cross multiply
    64,548.48x = 89,045.28 × 39,354.24
  4. Step 4: Simplify right side
    64,548.48x = 3,504,309,319.99
  5. Step 5: Solve for x
    x = 3,504,309,319.99/64,548.48
  6. Step 6: Final answer
    x = 54,289.57

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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.