Home / 74,882.15-103,341.55-40,893.80

Finding the Fourth Proportional to 74,882.15, 103,341.55 and 40,893.80

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Solution

The fourth proportional to 74,882.15, 103,341.55 and 40,893.80 is: 56,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882.15 : 103,341.55 = 40,893.80 : x
  2. Step 2: Convert to fraction form
    74,882.15/103,341.55 = 40,893.80/x
  3. Step 3: Cross multiply
    74,882.15x = 103,341.55 × 40,893.80
  4. Step 4: Simplify right side
    74,882.15x = 4,226,028,058.45
  5. Step 5: Solve for x
    x = 4,226,028,058.45/74,882.15
  6. Step 6: Final answer
    x = 56,435.72

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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.