Home / 82,840.78-124,259.10-26,684.74

Finding the Fourth Proportional to 82,840.78, 124,259.10 and 26,684.74

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Solution

The fourth proportional to 82,840.78, 124,259.10 and 26,684.74 is: 40,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,840.78 : 124,259.10 = 26,684.74 : x
  2. Step 2: Convert to fraction form
    82,840.78/124,259.10 = 26,684.74/x
  3. Step 3: Cross multiply
    82,840.78x = 124,259.10 × 26,684.74
  4. Step 4: Simplify right side
    82,840.78x = 3,315,821,776.13
  5. Step 5: Solve for x
    x = 3,315,821,776.13/82,840.78
  6. Step 6: Final answer
    x = 40,026.44

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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.