Home / 74,759.60-112,186.08-30,386.34

Finding the Fourth Proportional to 74,759.60, 112,186.08 and 30,386.34

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Solution

The fourth proportional to 74,759.60, 112,186.08 and 30,386.34 is: 45,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.60 : 112,186.08 = 30,386.34 : x
  2. Step 2: Convert to fraction form
    74,759.60/112,186.08 = 30,386.34/x
  3. Step 3: Cross multiply
    74,759.60x = 112,186.08 × 30,386.34
  4. Step 4: Simplify right side
    74,759.60x = 3,408,924,370.15
  5. Step 5: Solve for x
    x = 3,408,924,370.15/74,759.60
  6. Step 6: Final answer
    x = 45,598.49

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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.