Home / 74,110.60-102,272.52-40,118.92

Finding the Fourth Proportional to 74,110.60, 102,272.52 and 40,118.92

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Solution

The fourth proportional to 74,110.60, 102,272.52 and 40,118.92 is: 55,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,110.60 : 102,272.52 = 40,118.92 : x
  2. Step 2: Convert to fraction form
    74,110.60/102,272.52 = 40,118.92/x
  3. Step 3: Cross multiply
    74,110.60x = 102,272.52 × 40,118.92
  4. Step 4: Simplify right side
    74,110.60x = 4,103,063,048.08
  5. Step 5: Solve for x
    x = 4,103,063,048.08/74,110.60
  6. Step 6: Final answer
    x = 55,364.05

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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.