Home / 62,815.11-86,683.86-34,520.19

Finding the Fourth Proportional to 62,815.11, 86,683.86 and 34,520.19

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Solution

The fourth proportional to 62,815.11, 86,683.86 and 34,520.19 is: 47,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.11 : 86,683.86 = 34,520.19 : x
  2. Step 2: Convert to fraction form
    62,815.11/86,683.86 = 34,520.19/x
  3. Step 3: Cross multiply
    62,815.11x = 86,683.86 × 34,520.19
  4. Step 4: Simplify right side
    62,815.11x = 2,992,343,317.13
  5. Step 5: Solve for x
    x = 2,992,343,317.13/62,815.11
  6. Step 6: Final answer
    x = 47,637.32

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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.