Home / 62,619.40-86,412.90-34,324.12

Finding the Fourth Proportional to 62,619.40, 86,412.90 and 34,324.12

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Solution

The fourth proportional to 62,619.40, 86,412.90 and 34,324.12 is: 47,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,619.40 : 86,412.90 = 34,324.12 : x
  2. Step 2: Convert to fraction form
    62,619.40/86,412.90 = 34,324.12/x
  3. Step 3: Cross multiply
    62,619.40x = 86,412.90 × 34,324.12
  4. Step 4: Simplify right side
    62,619.40x = 2,966,046,749.15
  5. Step 5: Solve for x
    x = 2,966,046,749.15/62,619.40
  6. Step 6: Final answer
    x = 47,366.26

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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.