Home / 60,720.72-83,765.99-39,492.24

Finding the Fourth Proportional to 60,720.72, 83,765.99 and 39,492.24

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Solution

The fourth proportional to 60,720.72, 83,765.99 and 39,492.24 is: 54,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.72 : 83,765.99 = 39,492.24 : x
  2. Step 2: Convert to fraction form
    60,720.72/83,765.99 = 39,492.24/x
  3. Step 3: Cross multiply
    60,720.72x = 83,765.99 × 39,492.24
  4. Step 4: Simplify right side
    60,720.72x = 3,308,106,580.92
  5. Step 5: Solve for x
    x = 3,308,106,580.92/60,720.72
  6. Step 6: Final answer
    x = 54,480.69

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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.