Home / 74,842.34-112,166.30-30,417.39

Finding the Fourth Proportional to 74,842.34, 112,166.30 and 30,417.39

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Solution

The fourth proportional to 74,842.34, 112,166.30 and 30,417.39 is: 45,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842.34 : 112,166.30 = 30,417.39 : x
  2. Step 2: Convert to fraction form
    74,842.34/112,166.30 = 30,417.39/x
  3. Step 3: Cross multiply
    74,842.34x = 112,166.30 × 30,417.39
  4. Step 4: Simplify right side
    74,842.34x = 3,411,806,091.96
  5. Step 5: Solve for x
    x = 3,411,806,091.96/74,842.34
  6. Step 6: Final answer
    x = 45,586.58

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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.