Home / 74,922.03-112,438.35-35,479.08

Finding the Fourth Proportional to 74,922.03, 112,438.35 and 35,479.08

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Solution

The fourth proportional to 74,922.03, 112,438.35 and 35,479.08 is: 53,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,922.03 : 112,438.35 = 35,479.08 : x
  2. Step 2: Convert to fraction form
    74,922.03/112,438.35 = 35,479.08/x
  3. Step 3: Cross multiply
    74,922.03x = 112,438.35 × 35,479.08
  4. Step 4: Simplify right side
    74,922.03x = 3,989,209,214.72
  5. Step 5: Solve for x
    x = 3,989,209,214.72/74,922.03
  6. Step 6: Final answer
    x = 53,244.81

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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.