Home / 74,991.32-112,515.40-45,026.52

Finding the Fourth Proportional to 74,991.32, 112,515.40 and 45,026.52

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Solution

The fourth proportional to 74,991.32, 112,515.40 and 45,026.52 is: 67,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.32 : 112,515.40 = 45,026.52 : x
  2. Step 2: Convert to fraction form
    74,991.32/112,515.40 = 45,026.52/x
  3. Step 3: Cross multiply
    74,991.32x = 112,515.40 × 45,026.52
  4. Step 4: Simplify right side
    74,991.32x = 5,066,176,908.41
  5. Step 5: Solve for x
    x = 5,066,176,908.41/74,991.32
  6. Step 6: Final answer
    x = 67,556.84

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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.