Home / 43,085.48-64,312.43-39,919.28

Finding the Fourth Proportional to 43,085.48, 64,312.43 and 39,919.28

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Solution

The fourth proportional to 43,085.48, 64,312.43 and 39,919.28 is: 59,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.48 : 64,312.43 = 39,919.28 : x
  2. Step 2: Convert to fraction form
    43,085.48/64,312.43 = 39,919.28/x
  3. Step 3: Cross multiply
    43,085.48x = 64,312.43 × 39,919.28
  4. Step 4: Simplify right side
    43,085.48x = 2,567,305,379.49
  5. Step 5: Solve for x
    x = 2,567,305,379.49/43,085.48
  6. Step 6: Final answer
    x = 59,586.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.