Home / 74,428.49-111,627.95-36,461.48

Finding the Fourth Proportional to 74,428.49, 111,627.95 and 36,461.48

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Solution

The fourth proportional to 74,428.49, 111,627.95 and 36,461.48 is: 54,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.49 : 111,627.95 = 36,461.48 : x
  2. Step 2: Convert to fraction form
    74,428.49/111,627.95 = 36,461.48/x
  3. Step 3: Cross multiply
    74,428.49x = 111,627.95 × 36,461.48
  4. Step 4: Simplify right side
    74,428.49x = 4,070,119,525.92
  5. Step 5: Solve for x
    x = 4,070,119,525.92/74,428.49
  6. Step 6: Final answer
    x = 54,684.97

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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.