Home / 60,640.24-83,683.70-39,455.52

Finding the Fourth Proportional to 60,640.24, 83,683.70 and 39,455.52

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Solution

The fourth proportional to 60,640.24, 83,683.70 and 39,455.52 is: 54,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.24 : 83,683.70 = 39,455.52 : x
  2. Step 2: Convert to fraction form
    60,640.24/83,683.70 = 39,455.52/x
  3. Step 3: Cross multiply
    60,640.24x = 83,683.70 × 39,455.52
  4. Step 4: Simplify right side
    60,640.24x = 3,301,783,899.02
  5. Step 5: Solve for x
    x = 3,301,783,899.02/60,640.24
  6. Step 6: Final answer
    x = 54,448.73

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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.