Home / 83,637.40-125,455.38-36,890.32

Finding the Fourth Proportional to 83,637.40, 125,455.38 and 36,890.32

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Solution

The fourth proportional to 83,637.40, 125,455.38 and 36,890.32 is: 55,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637.40 : 125,455.38 = 36,890.32 : x
  2. Step 2: Convert to fraction form
    83,637.40/125,455.38 = 36,890.32/x
  3. Step 3: Cross multiply
    83,637.40x = 125,455.38 × 36,890.32
  4. Step 4: Simplify right side
    83,637.40x = 4,628,089,113.92
  5. Step 5: Solve for x
    x = 4,628,089,113.92/83,637.40
  6. Step 6: Final answer
    x = 55,335.16

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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.