Home / 83,410.24-125,098.08-30,783.76

Finding the Fourth Proportional to 83,410.24, 125,098.08 and 30,783.76

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Solution

The fourth proportional to 83,410.24, 125,098.08 and 30,783.76 is: 46,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.24 : 125,098.08 = 30,783.76 : x
  2. Step 2: Convert to fraction form
    83,410.24/125,098.08 = 30,783.76/x
  3. Step 3: Cross multiply
    83,410.24x = 125,098.08 × 30,783.76
  4. Step 4: Simplify right side
    83,410.24x = 3,850,989,271.18
  5. Step 5: Solve for x
    x = 3,850,989,271.18/83,410.24
  6. Step 6: Final answer
    x = 46,169.26

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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.