Home / 83,812.08-125,698.68-31,246.32

Finding the Fourth Proportional to 83,812.08, 125,698.68 and 31,246.32

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Solution

The fourth proportional to 83,812.08, 125,698.68 and 31,246.32 is: 46,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.08 : 125,698.68 = 31,246.32 : x
  2. Step 2: Convert to fraction form
    83,812.08/125,698.68 = 31,246.32/x
  3. Step 3: Cross multiply
    83,812.08x = 125,698.68 × 31,246.32
  4. Step 4: Simplify right side
    83,812.08x = 3,927,621,178.86
  5. Step 5: Solve for x
    x = 3,927,621,178.86/83,812.08
  6. Step 6: Final answer
    x = 46,862.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.